28018744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6571}}^1$

素因数の和:6631

約数の個数: 32

約数和(自身を含む): 57965040

約数和(自身を除く): 29946296

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 6571, 13142, 26284, 52568, 85423, 170846, 269411, 341692, 538822, 683384, 1077644, 2155288, 3502343, 7004686, 14009372, 28018744]

約数ペア:

[(1, 28018744), (2, 14009372), (4, 7004686), (8, 3502343), (13, 2155288), (26, 1077644), (41, 683384), (52, 538822), (82, 341692), (104, 269411), (164, 170846), (328, 85423), (533, 52568), (1066, 26284), (2132, 13142), (4264, 6571)]