155121652

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^2\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 54

約数和(自身を含む): 322333746

約数和(自身を除く): 167212094

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 157, 196, 284, 314, 497, 628, 994, 1099, 1988, 2198, 3479, 4396, 5041, 6958, 7693, 10082, 11147, 13916, 15386, 20164, 22294, 30772, 35287, 44588, 70574, 78029, 141148, 156058, 247009, 312116, 494018, 546203, 791437, 988036, 1092406, 1582874, 2184812, 3165748, 5540059, 11080118, 22160236, 38780413, 77560826, 155121652]

約数ペア:

[(1, 155121652), (2, 77560826), (4, 38780413), (7, 22160236), (14, 11080118), (28, 5540059), (49, 3165748), (71, 2184812), (98, 1582874), (142, 1092406), (157, 988036), (196, 791437), (284, 546203), (314, 494018), (497, 312116), (628, 247009), (994, 156058), (1099, 141148), (1988, 78029), (2198, 70574), (3479, 44588), (4396, 35287), (5041, 30772), (6958, 22294), (7693, 20164), (10082, 15386), (11147, 13916)]