89898445

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 139991040

約数和(自身を除く): 50092595

約数列:

[1, 5, 7, 13, 35, 41, 61, 65, 79, 91, 205, 287, 305, 395, 427, 455, 533, 553, 793, 1027, 1435, 2135, 2501, 2665, 2765, 3239, 3731, 3965, 4819, 5135, 5551, 7189, 12505, 16195, 17507, 18655, 22673, 24095, 27755, 32513, 33733, 35945, 42107, 62647, 87535, 113365, 162565, 168665, 197579, 210535, 227591, 294749, 313235, 438529, 987895, 1137955, 1383053, 1473745, 2192645, 2568527, 6915265, 12842635, 17979689, 89898445]

約数ペア:

[(1, 89898445), (5, 17979689), (7, 12842635), (13, 6915265), (35, 2568527), (41, 2192645), (61, 1473745), (65, 1383053), (79, 1137955), (91, 987895), (205, 438529), (287, 313235), (305, 294749), (395, 227591), (427, 210535), (455, 197579), (533, 168665), (553, 162565), (793, 113365), (1027, 87535), (1435, 62647), (2135, 42107), (2501, 35945), (2665, 33733), (2765, 32513), (3239, 27755), (3731, 24095), (3965, 22673), (4819, 18655), (5135, 17507), (5551, 16195), (7189, 12505)]