128839564

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{313}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 263830336

約数和(自身を除く): 134990772

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 241, 244, 313, 427, 482, 626, 854, 964, 1252, 1687, 1708, 2191, 3374, 4382, 6748, 8764, 14701, 19093, 29402, 38186, 58804, 75433, 76372, 102907, 133651, 150866, 205814, 267302, 301732, 411628, 528031, 534604, 1056062, 2112124, 4601413, 9202826, 18405652, 32209891, 64419782, 128839564]

約数ペア:

[(1, 128839564), (2, 64419782), (4, 32209891), (7, 18405652), (14, 9202826), (28, 4601413), (61, 2112124), (122, 1056062), (241, 534604), (244, 528031), (313, 411628), (427, 301732), (482, 267302), (626, 205814), (854, 150866), (964, 133651), (1252, 102907), (1687, 76372), (1708, 75433), (2191, 58804), (3374, 38186), (4382, 29402), (6748, 19093), (8764, 14701)]