31448984

素因数分解:

$2^3\times 7^3\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 70152000

約数和(自身を除く): 38703016

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 157, 196, 292, 314, 343, 392, 511, 584, 628, 686, 1022, 1099, 1256, 1372, 2044, 2198, 2744, 3577, 4088, 4396, 7154, 7693, 8792, 11461, 14308, 15386, 22922, 25039, 28616, 30772, 45844, 50078, 53851, 61544, 80227, 91688, 100156, 107702, 160454, 200312, 215404, 320908, 430808, 561589, 641816, 1123178, 2246356, 3931123, 4492712, 7862246, 15724492, 31448984]

約数ペア:

[(1, 31448984), (2, 15724492), (4, 7862246), (7, 4492712), (8, 3931123), (14, 2246356), (28, 1123178), (49, 641816), (56, 561589), (73, 430808), (98, 320908), (146, 215404), (157, 200312), (196, 160454), (292, 107702), (314, 100156), (343, 91688), (392, 80227), (511, 61544), (584, 53851), (628, 50078), (686, 45844), (1022, 30772), (1099, 28616), (1256, 25039), (1372, 22922), (2044, 15386), (2198, 14308), (2744, 11461), (3577, 8792), (4088, 7693), (4396, 7154)]