257295408

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{315313}}^1$

素因数の和:315341

約数の個数: 40

約数和(自身を含む): 703780848

約数和(自身を除く): 446485440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 315313, 630626, 945939, 1261252, 1891878, 2522504, 3783756, 5045008, 5360321, 7567512, 10720642, 15135024, 16080963, 21441284, 32161926, 42882568, 64323852, 85765136, 128647704, 257295408]

約数ペア:

[(1, 257295408), (2, 128647704), (3, 85765136), (4, 64323852), (6, 42882568), (8, 32161926), (12, 21441284), (16, 16080963), (17, 15135024), (24, 10720642), (34, 7567512), (48, 5360321), (51, 5045008), (68, 3783756), (102, 2522504), (136, 1891878), (204, 1261252), (272, 945939), (408, 630626), (816, 315313)]