81970736

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{301363}}^1$

素因数の和:301388

約数の個数: 20

約数和(自身を含む): 168161112

約数和(自身を除く): 86190376

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 301363, 602726, 1205452, 2410904, 4821808, 5123171, 10246342, 20492684, 40985368, 81970736]

約数ペア:

[(1, 81970736), (2, 40985368), (4, 20492684), (8, 10246342), (16, 5123171), (17, 4821808), (34, 2410904), (68, 1205452), (136, 602726), (272, 301363)]