2581308

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 60

約数和(自身を含む): 6992832

約数和(自身を除く): 4411524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 257, 279, 324, 372, 514, 558, 771, 837, 1028, 1116, 1542, 1674, 2313, 2511, 3084, 3348, 4626, 5022, 6939, 7967, 9252, 10044, 13878, 15934, 20817, 23901, 27756, 31868, 41634, 47802, 71703, 83268, 95604, 143406, 215109, 286812, 430218, 645327, 860436, 1290654, 2581308]

約数ペア:

[(1, 2581308), (2, 1290654), (3, 860436), (4, 645327), (6, 430218), (9, 286812), (12, 215109), (18, 143406), (27, 95604), (31, 83268), (36, 71703), (54, 47802), (62, 41634), (81, 31868), (93, 27756), (108, 23901), (124, 20817), (162, 15934), (186, 13878), (257, 10044), (279, 9252), (324, 7967), (372, 6939), (514, 5022), (558, 4626), (771, 3348), (837, 3084), (1028, 2511), (1116, 2313), (1542, 1674)]