31213962

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 72

約数和(自身を含む): 75823488

約数和(自身を除く): 44609526

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 169, 186, 234, 279, 331, 338, 403, 507, 558, 662, 806, 993, 1014, 1209, 1521, 1986, 2418, 2979, 3042, 3627, 4303, 5239, 5958, 7254, 8606, 10261, 10478, 12909, 15717, 20522, 25818, 30783, 31434, 38727, 47151, 55939, 61566, 77454, 92349, 94302, 111878, 133393, 167817, 184698, 266786, 335634, 400179, 503451, 800358, 1006902, 1200537, 1734109, 2401074, 3468218, 5202327, 10404654, 15606981, 31213962]

約数ペア:

[(1, 31213962), (2, 15606981), (3, 10404654), (6, 5202327), (9, 3468218), (13, 2401074), (18, 1734109), (26, 1200537), (31, 1006902), (39, 800358), (62, 503451), (78, 400179), (93, 335634), (117, 266786), (169, 184698), (186, 167817), (234, 133393), (279, 111878), (331, 94302), (338, 92349), (403, 77454), (507, 61566), (558, 55939), (662, 47151), (806, 38727), (993, 31434), (1014, 30783), (1209, 25818), (1521, 20522), (1986, 15717), (2418, 12909), (2979, 10478), (3042, 10261), (3627, 8606), (4303, 7254), (5239, 5958)]