656059428

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{3049}}^1$

素因数の和:3241

約数の個数: 72

約数和(自身を含む): 1709708000

約数和(自身を除く): 1053648572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 139, 172, 258, 278, 387, 417, 516, 556, 774, 834, 1251, 1548, 1668, 2502, 3049, 5004, 5977, 6098, 9147, 11954, 12196, 17931, 18294, 23908, 27441, 35862, 36588, 53793, 54882, 71724, 107586, 109764, 131107, 215172, 262214, 393321, 423811, 524428, 786642, 847622, 1179963, 1271433, 1573284, 1695244, 2359926, 2542866, 3814299, 4719852, 5085732, 7628598, 15257196, 18223873, 36447746, 54671619, 72895492, 109343238, 164014857, 218686476, 328029714, 656059428]

約数ペア:

[(1, 656059428), (2, 328029714), (3, 218686476), (4, 164014857), (6, 109343238), (9, 72895492), (12, 54671619), (18, 36447746), (36, 18223873), (43, 15257196), (86, 7628598), (129, 5085732), (139, 4719852), (172, 3814299), (258, 2542866), (278, 2359926), (387, 1695244), (417, 1573284), (516, 1271433), (556, 1179963), (774, 847622), (834, 786642), (1251, 524428), (1548, 423811), (1668, 393321), (2502, 262214), (3049, 215172), (5004, 131107), (5977, 109764), (6098, 107586), (9147, 71724), (11954, 54882), (12196, 53793), (17931, 36588), (18294, 35862), (23908, 27441)]