2019613654825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{11791643}}^1$

素因数の和:11791714

約数の個数: 48

約数和(自身を含む): 2947722333696

約数和(自身を除く): 928108678871

約数列:

[1, 5, 13, 17, 25, 31, 65, 85, 155, 221, 325, 403, 425, 527, 775, 1105, 2015, 2635, 5525, 6851, 10075, 13175, 34255, 171275, 11791643, 58958215, 153291359, 200457931, 294791075, 365540933, 766456795, 1002289655, 1827704665, 2605953103, 3832283975, 4752032129, 5011448275, 6214195861, 9138523325, 13029765515, 23760160645, 31070979305, 65148827575, 80784546193, 118800803225, 155354896525, 403922730965, 2019613654825]

約数ペア:

[(1, 2019613654825), (5, 403922730965), (13, 155354896525), (17, 118800803225), (25, 80784546193), (31, 65148827575), (65, 31070979305), (85, 23760160645), (155, 13029765515), (221, 9138523325), (325, 6214195861), (403, 5011448275), (425, 4752032129), (527, 3832283975), (775, 2605953103), (1105, 1827704665), (2015, 1002289655), (2635, 766456795), (5525, 365540933), (6851, 294791075), (10075, 200457931), (13175, 153291359), (34255, 58958215), (171275, 11791643)]