28630836

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 78702624

約数和(自身を除く): 50071788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 467, 468, 524, 786, 934, 1179, 1401, 1572, 1703, 1868, 2358, 2802, 3406, 4203, 4716, 5109, 5604, 6071, 6812, 8406, 10218, 12142, 15327, 16812, 18213, 20436, 24284, 30654, 36426, 54639, 61177, 61308, 72852, 109278, 122354, 183531, 218556, 244708, 367062, 550593, 734124, 795301, 1101186, 1590602, 2202372, 2385903, 3181204, 4771806, 7157709, 9543612, 14315418, 28630836]

約数ペア:

[(1, 28630836), (2, 14315418), (3, 9543612), (4, 7157709), (6, 4771806), (9, 3181204), (12, 2385903), (13, 2202372), (18, 1590602), (26, 1101186), (36, 795301), (39, 734124), (52, 550593), (78, 367062), (117, 244708), (131, 218556), (156, 183531), (234, 122354), (262, 109278), (393, 72852), (467, 61308), (468, 61177), (524, 54639), (786, 36426), (934, 30654), (1179, 24284), (1401, 20436), (1572, 18213), (1703, 16812), (1868, 15327), (2358, 12142), (2802, 10218), (3406, 8406), (4203, 6812), (4716, 6071), (5109, 5604)]