398804547470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{5697207821}}^1$

素因数の和:5697207835

約数の個数: 16

約数和(自身を含む): 820397926368

約数和(自身を除く): 421593378898

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 5697207821, 11394415642, 28486039105, 39880454747, 56972078210, 79760909494, 199402273735, 398804547470]

約数ペア:

[(1, 398804547470), (2, 199402273735), (5, 79760909494), (7, 56972078210), (10, 39880454747), (14, 28486039105), (35, 11394415642), (70, 5697207821)]