129619408

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{102547}}^1$

素因数の和:102634

約数の個数: 20

約数和(自身を含む): 254319040

約数和(自身を除く): 124699632

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 102547, 205094, 410188, 820376, 1640752, 8101213, 16202426, 32404852, 64809704, 129619408]

約数ペア:

[(1, 129619408), (2, 64809704), (4, 32404852), (8, 16202426), (16, 8101213), (79, 1640752), (158, 820376), (316, 410188), (632, 205094), (1264, 102547)]