2008999713

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 3321722880

約数和(自身を除く): 1312723167

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 227, 287, 399, 541, 681, 779, 861, 1589, 1623, 2337, 3787, 4313, 4767, 5453, 9307, 10279, 11361, 12939, 16359, 22181, 27921, 30191, 30837, 65149, 66543, 71953, 90573, 122807, 155267, 176833, 195447, 215859, 368421, 421439, 465801, 530499, 859649, 1237831, 1264317, 2333333, 2578947, 2950073, 3713493, 5035087, 6999999, 8850219, 15105261, 16333331, 35245609, 48999993, 95666653, 105736827, 286999959, 669666571, 2008999713]

約数ペア:

[(1, 2008999713), (3, 669666571), (7, 286999959), (19, 105736827), (21, 95666653), (41, 48999993), (57, 35245609), (123, 16333331), (133, 15105261), (227, 8850219), (287, 6999999), (399, 5035087), (541, 3713493), (681, 2950073), (779, 2578947), (861, 2333333), (1589, 1264317), (1623, 1237831), (2337, 859649), (3787, 530499), (4313, 465801), (4767, 421439), (5453, 368421), (9307, 215859), (10279, 195447), (11361, 176833), (12939, 155267), (16359, 122807), (22181, 90573), (27921, 71953), (30191, 66543), (30837, 65149)]