1289303015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 2183860224

約数和(自身を除く): 894557209

約数列:

[1, 5, 7, 11, 13, 35, 41, 55, 61, 65, 77, 91, 103, 143, 205, 287, 305, 385, 427, 451, 455, 515, 533, 671, 715, 721, 793, 1001, 1133, 1339, 1435, 2135, 2255, 2501, 2665, 3157, 3355, 3605, 3731, 3965, 4223, 4697, 5005, 5551, 5665, 5863, 6283, 6695, 7931, 8723, 9373, 12505, 14729, 15785, 17507, 18655, 21115, 23485, 27511, 27755, 29315, 29561, 31415, 32513, 39655, 41041, 43615, 43981, 46453, 46865, 54899, 61061, 69113, 73645, 81679, 87535, 103103, 137555, 147805, 162565, 192577, 205205, 219905, 227591, 232265, 257603, 274495, 305305, 325171, 345565, 357643, 384293, 408395, 483791, 515515, 571753, 603889, 898469, 962885, 1137955, 1288015, 1625855, 1788215, 1803221, 1921465, 2418955, 2503501, 2833633, 2858765, 3019445, 3348839, 4227223, 4492345, 6289283, 9016105, 12517505, 14168165, 16744195, 19835431, 21136115, 23441873, 31446415, 36837229, 99177155, 117209365, 184186145, 257860603, 1289303015]

約数ペア:

[(1, 1289303015), (5, 257860603), (7, 184186145), (11, 117209365), (13, 99177155), (35, 36837229), (41, 31446415), (55, 23441873), (61, 21136115), (65, 19835431), (77, 16744195), (91, 14168165), (103, 12517505), (143, 9016105), (205, 6289283), (287, 4492345), (305, 4227223), (385, 3348839), (427, 3019445), (451, 2858765), (455, 2833633), (515, 2503501), (533, 2418955), (671, 1921465), (715, 1803221), (721, 1788215), (793, 1625855), (1001, 1288015), (1133, 1137955), (1339, 962885), (1435, 898469), (2135, 603889), (2255, 571753), (2501, 515515), (2665, 483791), (3157, 408395), (3355, 384293), (3605, 357643), (3731, 345565), (3965, 325171), (4223, 305305), (4697, 274495), (5005, 257603), (5551, 232265), (5665, 227591), (5863, 219905), (6283, 205205), (6695, 192577), (7931, 162565), (8723, 147805), (9373, 137555), (12505, 103103), (14729, 87535), (15785, 81679), (17507, 73645), (18655, 69113), (21115, 61061), (23485, 54899), (27511, 46865), (27755, 46453), (29315, 43981), (29561, 43615), (31415, 41041), (32513, 39655)]