31919356

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 65935296

約数和(自身を除く): 34015940

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 137, 157, 212, 274, 314, 371, 548, 628, 742, 959, 1099, 1484, 1918, 2198, 3836, 4396, 7261, 8321, 14522, 16642, 21509, 29044, 33284, 43018, 50827, 58247, 86036, 101654, 116494, 150563, 203308, 232988, 301126, 602252, 1139977, 2279954, 4559908, 7979839, 15959678, 31919356]

約数ペア:

[(1, 31919356), (2, 15959678), (4, 7979839), (7, 4559908), (14, 2279954), (28, 1139977), (53, 602252), (106, 301126), (137, 232988), (157, 203308), (212, 150563), (274, 116494), (314, 101654), (371, 86036), (548, 58247), (628, 50827), (742, 43018), (959, 33284), (1099, 29044), (1484, 21509), (1918, 16642), (2198, 14522), (3836, 8321), (4396, 7261)]