245540412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4643}}^1$

素因数の和:4779

約数の個数: 72

約数和(自身を含む): 674475984

約数和(自身を除く): 428935572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 113, 117, 156, 226, 234, 339, 452, 468, 678, 1017, 1356, 1469, 2034, 2938, 4068, 4407, 4643, 5876, 8814, 9286, 13221, 13929, 17628, 18572, 26442, 27858, 41787, 52884, 55716, 60359, 83574, 120718, 167148, 181077, 241436, 362154, 524659, 543231, 724308, 1049318, 1086462, 1573977, 2098636, 2172924, 3147954, 4721931, 6295908, 6820567, 9443862, 13641134, 18887724, 20461701, 27282268, 40923402, 61385103, 81846804, 122770206, 245540412]

約数ペア:

[(1, 245540412), (2, 122770206), (3, 81846804), (4, 61385103), (6, 40923402), (9, 27282268), (12, 20461701), (13, 18887724), (18, 13641134), (26, 9443862), (36, 6820567), (39, 6295908), (52, 4721931), (78, 3147954), (113, 2172924), (117, 2098636), (156, 1573977), (226, 1086462), (234, 1049318), (339, 724308), (452, 543231), (468, 524659), (678, 362154), (1017, 241436), (1356, 181077), (1469, 167148), (2034, 120718), (2938, 83574), (4068, 60359), (4407, 55716), (4643, 52884), (5876, 41787), (8814, 27858), (9286, 26442), (13221, 18572), (13929, 17628)]