64898224

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{213481}}^1$

素因数の和:213508

約数の個数: 20

約数和(自身を含む): 132358840

約数和(自身を除く): 67460616

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 213481, 426962, 853924, 1707848, 3415696, 4056139, 8112278, 16224556, 32449112, 64898224]

約数ペア:

[(1, 64898224), (2, 32449112), (4, 16224556), (8, 8112278), (16, 4056139), (19, 3415696), (38, 1707848), (76, 853924), (152, 426962), (304, 213481)]