331312996

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{381697}}^1$

素因数の和:381739

約数の個数: 24

約数和(自身を含む): 684002816

約数和(自身を除く): 352689820

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 381697, 763394, 1526788, 2671879, 5343758, 10687516, 11832607, 23665214, 47330428, 82828249, 165656498, 331312996]

約数ペア:

[(1, 331312996), (2, 165656498), (4, 82828249), (7, 47330428), (14, 23665214), (28, 11832607), (31, 10687516), (62, 5343758), (124, 2671879), (217, 1526788), (434, 763394), (868, 381697)]