638518914

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{23539}}^1$

素因数の和:23695

約数の個数: 48

約数和(自身を含む): 1520307360

約数和(自身を除く): 881788446

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 137, 198, 274, 411, 822, 1233, 1507, 2466, 3014, 4521, 9042, 13563, 23539, 27126, 47078, 70617, 141234, 211851, 258929, 423702, 517858, 776787, 1553574, 2330361, 3224843, 4660722, 6449686, 9674529, 19349058, 29023587, 35473273, 58047174, 70946546, 106419819, 212839638, 319259457, 638518914]

約数ペア:

[(1, 638518914), (2, 319259457), (3, 212839638), (6, 106419819), (9, 70946546), (11, 58047174), (18, 35473273), (22, 29023587), (33, 19349058), (66, 9674529), (99, 6449686), (137, 4660722), (198, 3224843), (274, 2330361), (411, 1553574), (822, 776787), (1233, 517858), (1507, 423702), (2466, 258929), (3014, 211851), (4521, 141234), (9042, 70617), (13563, 47078), (23539, 27126)]