397777324

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179827}}^1$

素因数の和:179917

約数の個数: 24

約数和(自身を含む): 805629440

約数和(自身を除く): 407852116

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 179827, 359654, 719308, 1258789, 2517578, 5035156, 14206333, 28412666, 56825332, 99444331, 198888662, 397777324]

約数ペア:

[(1, 397777324), (2, 198888662), (4, 99444331), (7, 56825332), (14, 28412666), (28, 14206333), (79, 5035156), (158, 2517578), (316, 1258789), (553, 719308), (1106, 359654), (2212, 179827)]