258900536

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 516498840

約数和(自身を除く): 257598304

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 314, 361, 571, 628, 722, 1142, 1256, 1444, 2284, 2888, 2983, 4568, 5966, 10849, 11932, 21698, 23864, 43396, 56677, 86792, 89647, 113354, 179294, 206131, 226708, 358588, 412262, 453416, 717176, 824524, 1649048, 1703293, 3406586, 6813172, 13626344, 32362567, 64725134, 129450268, 258900536]

約数ペア:

[(1, 258900536), (2, 129450268), (4, 64725134), (8, 32362567), (19, 13626344), (38, 6813172), (76, 3406586), (152, 1703293), (157, 1649048), (314, 824524), (361, 717176), (571, 453416), (628, 412262), (722, 358588), (1142, 226708), (1256, 206131), (1444, 179294), (2284, 113354), (2888, 89647), (2983, 86792), (4568, 56677), (5966, 43396), (10849, 23864), (11932, 21698)]