13239928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2167

約数の個数: 32

約数和(自身を含む): 27185760

約数和(自身を除く): 13945832

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 2087, 3172, 4174, 6344, 8348, 16696, 27131, 54262, 108524, 127307, 217048, 254614, 509228, 1018456, 1654991, 3309982, 6619964, 13239928]

約数ペア:

[(1, 13239928), (2, 6619964), (4, 3309982), (8, 1654991), (13, 1018456), (26, 509228), (52, 254614), (61, 217048), (104, 127307), (122, 108524), (244, 54262), (488, 27131), (793, 16696), (1586, 8348), (2087, 6344), (3172, 4174)]