25215678516

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{647}}^1\times {\mathrm{839}}^1$

素因数の和:1586

約数の個数: 144

約数和(自身を含む): 69498777600

約数和(自身を除く): 44283099084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 647, 839, 948, 1106, 1294, 1659, 1678, 1941, 2212, 2517, 2588, 3318, 3356, 3871, 3882, 4529, 5034, 5873, 6636, 7742, 7764, 9058, 10068, 11613, 11746, 13587, 15484, 17619, 18116, 23226, 23492, 27174, 31703, 35238, 41111, 46452, 51113, 54348, 63406, 66281, 70476, 82222, 95109, 102226, 123333, 126812, 132562, 153339, 164444, 190218, 198843, 204452, 246666, 265124, 306678, 357791, 380436, 397686, 463967, 493332, 542833, 613356, 715582, 795372, 927934, 1073373, 1085666, 1391901, 1431164, 1628499, 1855868, 2146746, 2171332, 2504537, 2783802, 3247769, 3256998, 3799831, 4293492, 5009074, 5567604, 6495538, 6513996, 7513611, 7599662, 9743307, 10018148, 11399493, 12991076, 15027222, 15199324, 19486614, 22798986, 26598817, 30054444, 38973228, 42883807, 45597972, 53197634, 79796451, 85767614, 106395268, 128651421, 159592902, 171535228, 257302842, 300186649, 319185804, 514605684, 600373298, 900559947, 1200746596, 1801119894, 2101306543, 3602239788, 4202613086, 6303919629, 8405226172, 12607839258, 25215678516]

約数ペア:

[(1, 25215678516), (2, 12607839258), (3, 8405226172), (4, 6303919629), (6, 4202613086), (7, 3602239788), (12, 2101306543), (14, 1801119894), (21, 1200746596), (28, 900559947), (42, 600373298), (49, 514605684), (79, 319185804), (84, 300186649), (98, 257302842), (147, 171535228), (158, 159592902), (196, 128651421), (237, 106395268), (294, 85767614), (316, 79796451), (474, 53197634), (553, 45597972), (588, 42883807), (647, 38973228), (839, 30054444), (948, 26598817), (1106, 22798986), (1294, 19486614), (1659, 15199324), (1678, 15027222), (1941, 12991076), (2212, 11399493), (2517, 10018148), (2588, 9743307), (3318, 7599662), (3356, 7513611), (3871, 6513996), (3882, 6495538), (4529, 5567604), (5034, 5009074), (5873, 4293492), (6636, 3799831), (7742, 3256998), (7764, 3247769), (9058, 2783802), (10068, 2504537), (11613, 2171332), (11746, 2146746), (13587, 1855868), (15484, 1628499), (17619, 1431164), (18116, 1391901), (23226, 1085666), (23492, 1073373), (27174, 927934), (31703, 795372), (35238, 715582), (41111, 613356), (46452, 542833), (51113, 493332), (54348, 463967), (63406, 397686), (66281, 380436), (70476, 357791), (82222, 306678), (95109, 265124), (102226, 246666), (123333, 204452), (126812, 198843), (132562, 190218), (153339, 164444)]