13917470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{28403}}^1$

素因数の和:28424

約数の個数: 24

約数和(自身を含む): 29142504

約数和(自身を除く): 15225034

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 28403, 56806, 142015, 198821, 284030, 397642, 994105, 1391747, 1988210, 2783494, 6958735, 13917470]

約数ペア:

[(1, 13917470), (2, 6958735), (5, 2783494), (7, 1988210), (10, 1391747), (14, 994105), (35, 397642), (49, 284030), (70, 198821), (98, 142015), (245, 56806), (490, 28403)]