40987814

素因数分解:

$2^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 72360000

約数和(自身を除く): 31372186

約数列:

[1, 2, 7, 14, 49, 98, 149, 298, 343, 401, 686, 802, 1043, 2086, 2807, 5614, 7301, 14602, 19649, 39298, 51107, 59749, 102214, 119498, 137543, 275086, 418243, 836486, 2927701, 5855402, 20493907, 40987814]

約数ペア:

[(1, 40987814), (2, 20493907), (7, 5855402), (14, 2927701), (49, 836486), (98, 418243), (149, 275086), (298, 137543), (343, 119498), (401, 102214), (686, 59749), (802, 51107), (1043, 39298), (2086, 19649), (2807, 14602), (5614, 7301)]