399156682

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 628752384

約数和(自身を除く): 229595702

約数列:

[1, 2, 31, 62, 127, 163, 254, 311, 326, 622, 3937, 5053, 7874, 9641, 10106, 19282, 20701, 39497, 41402, 50693, 78994, 101386, 641731, 1224407, 1283462, 1571483, 2448814, 3142966, 6438011, 12876022, 199578341, 399156682]

約数ペア:

[(1, 399156682), (2, 199578341), (31, 12876022), (62, 6438011), (127, 3142966), (163, 2448814), (254, 1571483), (311, 1283462), (326, 1224407), (622, 641731), (3937, 101386), (5053, 78994), (7874, 50693), (9641, 41402), (10106, 39497), (19282, 20701)]