28408432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2239}}^1$

素因数の和:2321

約数の個数: 40

約数和(自身を含む): 60273920

約数和(自身を除く): 31865488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 2239, 3172, 4478, 6344, 8956, 12688, 17912, 29107, 35824, 58214, 116428, 136579, 232856, 273158, 465712, 546316, 1092632, 1775527, 2185264, 3551054, 7102108, 14204216, 28408432]

約数ペア:

[(1, 28408432), (2, 14204216), (4, 7102108), (8, 3551054), (13, 2185264), (16, 1775527), (26, 1092632), (52, 546316), (61, 465712), (104, 273158), (122, 232856), (208, 136579), (244, 116428), (488, 58214), (793, 35824), (976, 29107), (1586, 17912), (2239, 12688), (3172, 8956), (4478, 6344)]