491696

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 20

約数和(自身を含む): 967200

約数和(自身を除く): 475504

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 389, 632, 778, 1264, 1556, 3112, 6224, 30731, 61462, 122924, 245848, 491696]

約数ペア:

[(1, 491696), (2, 245848), (4, 122924), (8, 61462), (16, 30731), (79, 6224), (158, 3112), (316, 1556), (389, 1264), (632, 778)]