399899928

素因数分解:

$2^3\times 3^1\times {\mathrm{907}}^1\times {\mathrm{18371}}^1$

素因数の和:19287

約数の個数: 32

約数和(自身を含む): 1000906560

約数和(自身を除く): 601006632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 907, 1814, 2721, 3628, 5442, 7256, 10884, 18371, 21768, 36742, 55113, 73484, 110226, 146968, 220452, 440904, 16662497, 33324994, 49987491, 66649988, 99974982, 133299976, 199949964, 399899928]

約数ペア:

[(1, 399899928), (2, 199949964), (3, 133299976), (4, 99974982), (6, 66649988), (8, 49987491), (12, 33324994), (24, 16662497), (907, 440904), (1814, 220452), (2721, 146968), (3628, 110226), (5442, 73484), (7256, 55113), (10884, 36742), (18371, 21768)]