1902406415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 2864526336

約数和(自身を除く): 962119921

約数列:

[1, 5, 7, 13, 35, 65, 91, 113, 163, 227, 455, 565, 791, 815, 1135, 1141, 1469, 1589, 2119, 2951, 3955, 5705, 7345, 7945, 10283, 10595, 14755, 14833, 18419, 20657, 25651, 37001, 51415, 74165, 92095, 103285, 128255, 128933, 179557, 185005, 239447, 259007, 333463, 481013, 644665, 897785, 1197235, 1295035, 1667315, 1676129, 2334241, 2405065, 3367091, 4181113, 8380645, 11671205, 16835455, 20905565, 29267791, 54354469, 146338955, 271772345, 380481283, 1902406415]

約数ペア:

[(1, 1902406415), (5, 380481283), (7, 271772345), (13, 146338955), (35, 54354469), (65, 29267791), (91, 20905565), (113, 16835455), (163, 11671205), (227, 8380645), (455, 4181113), (565, 3367091), (791, 2405065), (815, 2334241), (1135, 1676129), (1141, 1667315), (1469, 1295035), (1589, 1197235), (2119, 897785), (2951, 644665), (3955, 481013), (5705, 333463), (7345, 259007), (7945, 239447), (10283, 185005), (10595, 179557), (14755, 128933), (14833, 128255), (18419, 103285), (20657, 92095), (25651, 74165), (37001, 51415)]