81762928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 190300320

約数和(自身を除く): 108537392

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 272, 304, 323, 442, 494, 646, 884, 988, 1217, 1292, 1768, 1976, 2434, 2584, 3536, 3952, 4199, 4868, 5168, 8398, 9736, 15821, 16796, 19472, 20689, 23123, 31642, 33592, 41378, 46246, 63284, 67184, 82756, 92492, 126568, 165512, 184984, 253136, 268957, 300599, 331024, 369968, 393091, 537914, 601198, 786182, 1075828, 1202396, 1572364, 2151656, 2404792, 3144728, 4303312, 4809584, 5110183, 6289456, 10220366, 20440732, 40881464, 81762928]

約数ペア:

[(1, 81762928), (2, 40881464), (4, 20440732), (8, 10220366), (13, 6289456), (16, 5110183), (17, 4809584), (19, 4303312), (26, 3144728), (34, 2404792), (38, 2151656), (52, 1572364), (68, 1202396), (76, 1075828), (104, 786182), (136, 601198), (152, 537914), (208, 393091), (221, 369968), (247, 331024), (272, 300599), (304, 268957), (323, 253136), (442, 184984), (494, 165512), (646, 126568), (884, 92492), (988, 82756), (1217, 67184), (1292, 63284), (1768, 46246), (1976, 41378), (2434, 33592), (2584, 31642), (3536, 23123), (3952, 20689), (4199, 19472), (4868, 16796), (5168, 15821), (8398, 9736)]