1338217405

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{883}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 2016368640

約数和(自身を除く): 678151235

約数列:

[1, 5, 7, 19, 35, 43, 53, 95, 133, 215, 265, 301, 371, 665, 817, 883, 1007, 1505, 1855, 2279, 4085, 4415, 5035, 5719, 6181, 7049, 11395, 15953, 16777, 28595, 30905, 35245, 37969, 43301, 46799, 79765, 83885, 117439, 189845, 216505, 233995, 265783, 303107, 327593, 587195, 721411, 889181, 1328915, 1515535, 1637965, 2012357, 3607055, 4445905, 5049877, 6224267, 10061785, 14086499, 25249385, 31121335, 38234783, 70432495, 191173915, 267643481, 1338217405]

約数ペア:

[(1, 1338217405), (5, 267643481), (7, 191173915), (19, 70432495), (35, 38234783), (43, 31121335), (53, 25249385), (95, 14086499), (133, 10061785), (215, 6224267), (265, 5049877), (301, 4445905), (371, 3607055), (665, 2012357), (817, 1637965), (883, 1515535), (1007, 1328915), (1505, 889181), (1855, 721411), (2279, 587195), (4085, 327593), (4415, 303107), (5035, 265783), (5719, 233995), (6181, 216505), (7049, 189845), (11395, 117439), (15953, 83885), (16777, 79765), (28595, 46799), (30905, 43301), (35245, 37969)]