399707056

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{115123}}^1$

素因数の和:115169

約数の個数: 40

約数和(自身を含む): 913624064

約数和(自身を除く): 513917008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 115123, 230246, 460492, 805861, 920984, 1611722, 1841968, 3223444, 3568813, 6446888, 7137626, 12893776, 14275252, 24981691, 28550504, 49963382, 57101008, 99926764, 199853528, 399707056]

約数ペア:

[(1, 399707056), (2, 199853528), (4, 99926764), (7, 57101008), (8, 49963382), (14, 28550504), (16, 24981691), (28, 14275252), (31, 12893776), (56, 7137626), (62, 6446888), (112, 3568813), (124, 3223444), (217, 1841968), (248, 1611722), (434, 920984), (496, 805861), (868, 460492), (1736, 230246), (3472, 115123)]