128430428

素因数分解:

$2^2\times 7^1\times {\mathrm{1951}}^1\times {\mathrm{2351}}^1$

素因数の和:4313

約数の個数: 24

約数和(自身を含む): 257101824

約数和(自身を除く): 128671396

約数列:

[1, 2, 4, 7, 14, 28, 1951, 2351, 3902, 4702, 7804, 9404, 13657, 16457, 27314, 32914, 54628, 65828, 4586801, 9173602, 18347204, 32107607, 64215214, 128430428]

約数ペア:

[(1, 128430428), (2, 64215214), (4, 32107607), (7, 18347204), (14, 9173602), (28, 4586801), (1951, 65828), (2351, 54628), (3902, 32914), (4702, 27314), (7804, 16457), (9404, 13657)]