28290888072

素因数分解:

$2^3\times 3^2\times {\mathrm{1889}}^1\times {\mathrm{208009}}^1$

素因数の和:209910

約数の個数: 48

約数和(自身を含む): 76662085500

約数和(自身を除く): 48371197428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1889, 3778, 5667, 7556, 11334, 15112, 17001, 22668, 34002, 45336, 68004, 136008, 208009, 416018, 624027, 832036, 1248054, 1664072, 1872081, 2496108, 3744162, 4992216, 7488324, 14976648, 392929001, 785858002, 1178787003, 1571716004, 2357574006, 3143432008, 3536361009, 4715148012, 7072722018, 9430296024, 14145444036, 28290888072]

約数ペア:

[(1, 28290888072), (2, 14145444036), (3, 9430296024), (4, 7072722018), (6, 4715148012), (8, 3536361009), (9, 3143432008), (12, 2357574006), (18, 1571716004), (24, 1178787003), (36, 785858002), (72, 392929001), (1889, 14976648), (3778, 7488324), (5667, 4992216), (7556, 3744162), (11334, 2496108), (15112, 1872081), (17001, 1664072), (22668, 1248054), (34002, 832036), (45336, 624027), (68004, 416018), (136008, 208009)]