28120872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 76265280

約数和(自身を除く): 48144408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 193, 312, 386, 467, 579, 772, 934, 1158, 1401, 1544, 1868, 2316, 2509, 2802, 3736, 4632, 5018, 5604, 6071, 7527, 10036, 11208, 12142, 15054, 18213, 20072, 24284, 30108, 36426, 48568, 60216, 72852, 90131, 145704, 180262, 270393, 360524, 540786, 721048, 1081572, 1171703, 2163144, 2343406, 3515109, 4686812, 7030218, 9373624, 14060436, 28120872]

約数ペア:

[(1, 28120872), (2, 14060436), (3, 9373624), (4, 7030218), (6, 4686812), (8, 3515109), (12, 2343406), (13, 2163144), (24, 1171703), (26, 1081572), (39, 721048), (52, 540786), (78, 360524), (104, 270393), (156, 180262), (193, 145704), (312, 90131), (386, 72852), (467, 60216), (579, 48568), (772, 36426), (934, 30108), (1158, 24284), (1401, 20072), (1544, 18213), (1868, 15054), (2316, 12142), (2509, 11208), (2802, 10036), (3736, 7527), (4632, 6071), (5018, 5604)]