129125728

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{98419}}^1$

素因数の和:98470

約数の個数: 24

約数和(自身を含む): 260419320

約数和(自身を除く): 131293592

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 98419, 196838, 393676, 787352, 1574704, 3149408, 4035179, 8070358, 16140716, 32281432, 64562864, 129125728]

約数ペア:

[(1, 129125728), (2, 64562864), (4, 32281432), (8, 16140716), (16, 8070358), (32, 4035179), (41, 3149408), (82, 1574704), (164, 787352), (328, 393676), (656, 196838), (1312, 98419)]