389972024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{61471}}^1$

素因数の和:61551

約数の個数: 32

約数和(自身を含む): 800365440

約数和(自身を除く): 410393416

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 61471, 122942, 245884, 491768, 799123, 1598246, 3196492, 3749731, 6392984, 7499462, 14998924, 29997848, 48746503, 97493006, 194986012, 389972024]

約数ペア:

[(1, 389972024), (2, 194986012), (4, 97493006), (8, 48746503), (13, 29997848), (26, 14998924), (52, 7499462), (61, 6392984), (104, 3749731), (122, 3196492), (244, 1598246), (488, 799123), (793, 491768), (1586, 245884), (3172, 122942), (6344, 61471)]