28154178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1523}}^1$

素因数の和:1623

約数の個数: 48

約数和(自身を含む): 66568320

約数和(自身を除く): 38414142

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 117, 158, 234, 237, 474, 711, 1027, 1422, 1523, 2054, 3046, 3081, 4569, 6162, 9138, 9243, 13707, 18486, 19799, 27414, 39598, 59397, 118794, 120317, 178191, 240634, 356382, 360951, 721902, 1082853, 1564121, 2165706, 3128242, 4692363, 9384726, 14077089, 28154178]

約数ペア:

[(1, 28154178), (2, 14077089), (3, 9384726), (6, 4692363), (9, 3128242), (13, 2165706), (18, 1564121), (26, 1082853), (39, 721902), (78, 360951), (79, 356382), (117, 240634), (158, 178191), (234, 120317), (237, 118794), (474, 59397), (711, 39598), (1027, 27414), (1422, 19799), (1523, 18486), (2054, 13707), (3046, 9243), (3081, 9138), (4569, 6162)]