131437530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{208631}}^1$

素因数の和:208651

約数の個数: 48

約数和(自身を含む): 390559104

約数和(自身を除く): 259121574

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 208631, 417262, 625893, 1043155, 1251786, 1460417, 1877679, 2086310, 2920834, 3129465, 3755358, 4381251, 6258930, 7302085, 8762502, 9388395, 13143753, 14604170, 18776790, 21906255, 26287506, 43812510, 65718765, 131437530]

約数ペア:

[(1, 131437530), (2, 65718765), (3, 43812510), (5, 26287506), (6, 21906255), (7, 18776790), (9, 14604170), (10, 13143753), (14, 9388395), (15, 8762502), (18, 7302085), (21, 6258930), (30, 4381251), (35, 3755358), (42, 3129465), (45, 2920834), (63, 2086310), (70, 1877679), (90, 1460417), (105, 1251786), (126, 1043155), (210, 625893), (315, 417262), (630, 208631)]