1285887424

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{254329}}^1$

素因数の和:254420

約数の個数: 28

約数和(自身を含む): 2583992800

約数和(自身を除く): 1298105376

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 5056, 254329, 508658, 1017316, 2034632, 4069264, 8138528, 16277056, 20091991, 40183982, 80367964, 160735928, 321471856, 642943712, 1285887424]

約数ペア:

[(1, 1285887424), (2, 642943712), (4, 321471856), (8, 160735928), (16, 80367964), (32, 40183982), (64, 20091991), (79, 16277056), (158, 8138528), (316, 4069264), (632, 2034632), (1264, 1017316), (2528, 508658), (5056, 254329)]