12821770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 27216000

約数和(自身を除く): 14394230

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 38, 58, 65, 95, 130, 145, 179, 190, 247, 290, 358, 377, 494, 551, 754, 895, 1102, 1235, 1790, 1885, 2327, 2470, 2755, 3401, 3770, 4654, 5191, 5510, 6802, 7163, 10382, 11635, 14326, 17005, 23270, 25955, 34010, 35815, 44213, 51910, 67483, 71630, 88426, 98629, 134966, 197258, 221065, 337415, 442130, 493145, 674830, 986290, 1282177, 2564354, 6410885, 12821770]

約数ペア:

[(1, 12821770), (2, 6410885), (5, 2564354), (10, 1282177), (13, 986290), (19, 674830), (26, 493145), (29, 442130), (38, 337415), (58, 221065), (65, 197258), (95, 134966), (130, 98629), (145, 88426), (179, 71630), (190, 67483), (247, 51910), (290, 44213), (358, 35815), (377, 34010), (494, 25955), (551, 23270), (754, 17005), (895, 14326), (1102, 11635), (1235, 10382), (1790, 7163), (1885, 6802), (2327, 5510), (2470, 5191), (2755, 4654), (3401, 3770)]