256222122

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{967}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 572436480

約数和(自身を除く): 316214358

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 79, 86, 129, 158, 237, 258, 474, 559, 967, 1027, 1118, 1677, 1934, 2054, 2901, 3081, 3354, 3397, 5802, 6162, 6794, 10191, 12571, 20382, 25142, 37713, 41581, 44161, 75426, 76393, 83162, 88322, 124743, 132483, 152786, 229179, 249486, 264966, 458358, 540553, 993109, 1081106, 1621659, 1986218, 2979327, 3243318, 3284899, 5958654, 6569798, 9854697, 19709394, 42703687, 85407374, 128111061, 256222122]

約数ペア:

[(1, 256222122), (2, 128111061), (3, 85407374), (6, 42703687), (13, 19709394), (26, 9854697), (39, 6569798), (43, 5958654), (78, 3284899), (79, 3243318), (86, 2979327), (129, 1986218), (158, 1621659), (237, 1081106), (258, 993109), (474, 540553), (559, 458358), (967, 264966), (1027, 249486), (1118, 229179), (1677, 152786), (1934, 132483), (2054, 124743), (2901, 88322), (3081, 83162), (3354, 76393), (3397, 75426), (5802, 44161), (6162, 41581), (6794, 37713), (10191, 25142), (12571, 20382)]