399465752

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{230107}}^1$

素因数の和:230151

約数の個数: 32

約数和(自身を含む): 883614720

約数和(自身を除く): 484148968

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 230107, 460214, 920428, 1610749, 1840856, 3221498, 6442996, 7133317, 12885992, 14266634, 28533268, 49933219, 57066536, 99866438, 199732876, 399465752]

約数ペア:

[(1, 399465752), (2, 199732876), (4, 99866438), (7, 57066536), (8, 49933219), (14, 28533268), (28, 14266634), (31, 12885992), (56, 7133317), (62, 6442996), (124, 3221498), (217, 1840856), (248, 1610749), (434, 920428), (868, 460214), (1736, 230107)]