388264772

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{729821}}^1$

素因数の和:729851

約数の個数: 24

約数和(自身を含む): 817400640

約数和(自身を除く): 429135868

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 729821, 1459642, 2919284, 5108747, 10217494, 13866599, 20434988, 27733198, 55466396, 97066193, 194132386, 388264772]

約数ペア:

[(1, 388264772), (2, 194132386), (4, 97066193), (7, 55466396), (14, 27733198), (19, 20434988), (28, 13866599), (38, 10217494), (76, 5108747), (133, 2919284), (266, 1459642), (532, 729821)]