40398428

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3709}}^1$

素因数の和:4109

約数の個数: 24

約数和(自身を含む): 81026400

約数和(自身を除く): 40627972

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 3709, 5446, 7418, 10892, 14836, 25963, 51926, 103852, 1442801, 2885602, 5771204, 10099607, 20199214, 40398428]

約数ペア:

[(1, 40398428), (2, 20199214), (4, 10099607), (7, 5771204), (14, 2885602), (28, 1442801), (389, 103852), (778, 51926), (1556, 25963), (2723, 14836), (3709, 10892), (5446, 7418)]