291221123564

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{113171}}^1$

素因数の和:113899

約数の個数: 72

約数和(自身を含む): 624953891520

約数和(自身を除く): 333732767956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 691, 931, 1382, 1862, 2764, 3724, 4837, 9674, 13129, 19348, 26258, 33859, 52516, 67718, 91903, 113171, 135436, 183806, 226342, 367612, 452684, 643321, 792197, 1286642, 1584394, 2150249, 2573284, 3168788, 4300498, 5545379, 8600996, 11090758, 15051743, 22181516, 30103486, 60206972, 78201161, 105362201, 156402322, 210724402, 312804644, 421448804, 547408127, 1094816254, 1485822059, 2189632508, 2971644118, 3831856889, 5943288236, 7663713778, 10400754413, 15327427556, 20801508826, 41603017652, 72805280891, 145610561782, 291221123564]

約数ペア:

[(1, 291221123564), (2, 145610561782), (4, 72805280891), (7, 41603017652), (14, 20801508826), (19, 15327427556), (28, 10400754413), (38, 7663713778), (49, 5943288236), (76, 3831856889), (98, 2971644118), (133, 2189632508), (196, 1485822059), (266, 1094816254), (532, 547408127), (691, 421448804), (931, 312804644), (1382, 210724402), (1862, 156402322), (2764, 105362201), (3724, 78201161), (4837, 60206972), (9674, 30103486), (13129, 22181516), (19348, 15051743), (26258, 11090758), (33859, 8600996), (52516, 5545379), (67718, 4300498), (91903, 3168788), (113171, 2573284), (135436, 2150249), (183806, 1584394), (226342, 1286642), (367612, 792197), (452684, 643321)]