128433618

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 283920000

約数和(自身を除く): 155486382

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 181, 237, 362, 474, 499, 543, 711, 998, 1086, 1422, 1497, 1629, 2994, 3258, 4491, 8982, 14299, 28598, 39421, 42897, 78842, 85794, 90319, 118263, 128691, 180638, 236526, 257382, 270957, 354789, 541914, 709578, 812871, 1625742, 7135201, 14270402, 21405603, 42811206, 64216809, 128433618]

約数ペア:

[(1, 128433618), (2, 64216809), (3, 42811206), (6, 21405603), (9, 14270402), (18, 7135201), (79, 1625742), (158, 812871), (181, 709578), (237, 541914), (362, 354789), (474, 270957), (499, 257382), (543, 236526), (711, 180638), (998, 128691), (1086, 118263), (1422, 90319), (1497, 85794), (1629, 78842), (2994, 42897), (3258, 39421), (4491, 28598), (8982, 14299)]