12891918788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{28183}}^1$

素因数の和:28273

約数の個数: 72

約数和(自身を含む): 28210605696

約数和(自身を除く): 15318686908

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 961, 1054, 1922, 2108, 3689, 3844, 6727, 7378, 13454, 14756, 16337, 26908, 28183, 32674, 56366, 65348, 112732, 114359, 197281, 228718, 394562, 457436, 479111, 789124, 873673, 958222, 1747346, 1916444, 3353777, 3494692, 6115711, 6707554, 12231422, 13415108, 14852441, 24462844, 27083863, 29704882, 54167726, 59409764, 103967087, 108335452, 189587041, 207934174, 379174082, 415868348, 460425671, 758348164, 920851342, 1841702684, 3222979697, 6445959394, 12891918788]

約数ペア:

[(1, 12891918788), (2, 6445959394), (4, 3222979697), (7, 1841702684), (14, 920851342), (17, 758348164), (28, 460425671), (31, 415868348), (34, 379174082), (62, 207934174), (68, 189587041), (119, 108335452), (124, 103967087), (217, 59409764), (238, 54167726), (434, 29704882), (476, 27083863), (527, 24462844), (868, 14852441), (961, 13415108), (1054, 12231422), (1922, 6707554), (2108, 6115711), (3689, 3494692), (3844, 3353777), (6727, 1916444), (7378, 1747346), (13454, 958222), (14756, 873673), (16337, 789124), (26908, 479111), (28183, 457436), (32674, 394562), (56366, 228718), (65348, 197281), (112732, 114359)]