258601688

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{18461}}^1$

素因数の和:18587

約数の個数: 32

約数和(自身を含む): 518412960

約数和(自身を除く): 259811272

約数列:

[1, 2, 4, 8, 17, 34, 68, 103, 136, 206, 412, 824, 1751, 3502, 7004, 14008, 18461, 36922, 73844, 147688, 313837, 627674, 1255348, 1901483, 2510696, 3802966, 7605932, 15211864, 32325211, 64650422, 129300844, 258601688]

約数ペア:

[(1, 258601688), (2, 129300844), (4, 64650422), (8, 32325211), (17, 15211864), (34, 7605932), (68, 3802966), (103, 2510696), (136, 1901483), (206, 1255348), (412, 627674), (824, 313837), (1751, 147688), (3502, 73844), (7004, 36922), (14008, 18461)]