28691676

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 79008384

約数和(自身を除く): 50316708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 101, 117, 156, 202, 234, 303, 404, 468, 606, 607, 909, 1212, 1214, 1313, 1818, 1821, 2428, 2626, 3636, 3642, 3939, 5252, 5463, 7284, 7878, 7891, 10926, 11817, 15756, 15782, 21852, 23634, 23673, 31564, 47268, 47346, 61307, 71019, 94692, 122614, 142038, 183921, 245228, 284076, 367842, 551763, 735684, 796991, 1103526, 1593982, 2207052, 2390973, 3187964, 4781946, 7172919, 9563892, 14345838, 28691676]

約数ペア:

[(1, 28691676), (2, 14345838), (3, 9563892), (4, 7172919), (6, 4781946), (9, 3187964), (12, 2390973), (13, 2207052), (18, 1593982), (26, 1103526), (36, 796991), (39, 735684), (52, 551763), (78, 367842), (101, 284076), (117, 245228), (156, 183921), (202, 142038), (234, 122614), (303, 94692), (404, 71019), (468, 61307), (606, 47346), (607, 47268), (909, 31564), (1212, 23673), (1214, 23634), (1313, 21852), (1818, 15782), (1821, 15756), (2428, 11817), (2626, 10926), (3636, 7891), (3642, 7878), (3939, 7284), (5252, 5463)]