71989328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{236807}}^1$

素因数の和:236834

約数の個数: 20

約数和(自身を含む): 146820960

約数和(自身を除く): 74831632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 236807, 473614, 947228, 1894456, 3788912, 4499333, 8998666, 17997332, 35994664, 71989328]

約数ペア:

[(1, 71989328), (2, 35994664), (4, 17997332), (8, 8998666), (16, 4499333), (19, 3788912), (38, 1894456), (76, 947228), (152, 473614), (304, 236807)]