178841988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8887}}^1$

素因数の和:8953

約数の個数: 72

約数和(自身を含む): 498225728

約数和(自身を除く): 319383740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 8887, 10062, 17774, 20124, 26661, 35548, 53322, 79983, 106644, 115531, 159966, 231062, 319932, 346593, 382141, 462124, 693186, 764282, 1039779, 1146423, 1386372, 1528564, 2079558, 2292846, 3439269, 4159116, 4585692, 4967833, 6878538, 9935666, 13757076, 14903499, 19871332, 29806998, 44710497, 59613996, 89420994, 178841988]

約数ペア:

[(1, 178841988), (2, 89420994), (3, 59613996), (4, 44710497), (6, 29806998), (9, 19871332), (12, 14903499), (13, 13757076), (18, 9935666), (26, 6878538), (36, 4967833), (39, 4585692), (43, 4159116), (52, 3439269), (78, 2292846), (86, 2079558), (117, 1528564), (129, 1386372), (156, 1146423), (172, 1039779), (234, 764282), (258, 693186), (387, 462124), (468, 382141), (516, 346593), (559, 319932), (774, 231062), (1118, 159966), (1548, 115531), (1677, 106644), (2236, 79983), (3354, 53322), (5031, 35548), (6708, 26661), (8887, 20124), (10062, 17774)]