61913150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 132339744

約数和(自身を除く): 70426594

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 169, 170, 221, 325, 338, 425, 431, 442, 650, 845, 850, 862, 1105, 1690, 2155, 2210, 2873, 4225, 4310, 5525, 5603, 5746, 7327, 8450, 10775, 11050, 11206, 14365, 14654, 21550, 28015, 28730, 36635, 56030, 71825, 72839, 73270, 95251, 140075, 143650, 145678, 183175, 190502, 280150, 364195, 366350, 476255, 728390, 952510, 1238263, 1820975, 2381275, 2476526, 3641950, 4762550, 6191315, 12382630, 30956575, 61913150]

約数ペア:

[(1, 61913150), (2, 30956575), (5, 12382630), (10, 6191315), (13, 4762550), (17, 3641950), (25, 2476526), (26, 2381275), (34, 1820975), (50, 1238263), (65, 952510), (85, 728390), (130, 476255), (169, 366350), (170, 364195), (221, 280150), (325, 190502), (338, 183175), (425, 145678), (431, 143650), (442, 140075), (650, 95251), (845, 73270), (850, 72839), (862, 71825), (1105, 56030), (1690, 36635), (2155, 28730), (2210, 28015), (2873, 21550), (4225, 14654), (4310, 14365), (5525, 11206), (5603, 11050), (5746, 10775), (7327, 8450)]