281549916

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 723026304

約数和(自身を除く): 441476388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 227, 262, 263, 393, 454, 524, 526, 681, 786, 789, 908, 1052, 1179, 1362, 1572, 1578, 2043, 2358, 2367, 2724, 3156, 4086, 4716, 4734, 8172, 9468, 29737, 34453, 59474, 59701, 68906, 89211, 103359, 118948, 119402, 137812, 178422, 179103, 206718, 238804, 267633, 310077, 356844, 358206, 413436, 535266, 537309, 620154, 716412, 1070532, 1074618, 1240308, 2149236, 7820831, 15641662, 23462493, 31283324, 46924986, 70387479, 93849972, 140774958, 281549916]

約数ペア:

[(1, 281549916), (2, 140774958), (3, 93849972), (4, 70387479), (6, 46924986), (9, 31283324), (12, 23462493), (18, 15641662), (36, 7820831), (131, 2149236), (227, 1240308), (262, 1074618), (263, 1070532), (393, 716412), (454, 620154), (524, 537309), (526, 535266), (681, 413436), (786, 358206), (789, 356844), (908, 310077), (1052, 267633), (1179, 238804), (1362, 206718), (1572, 179103), (1578, 178422), (2043, 137812), (2358, 119402), (2367, 118948), (2724, 103359), (3156, 89211), (4086, 68906), (4716, 59701), (4734, 59474), (8172, 34453), (9468, 29737)]