31271396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 61916400

約数和(自身を除く): 30645004

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 89, 116, 178, 233, 356, 377, 466, 754, 932, 1157, 1508, 2314, 2581, 3029, 4628, 5162, 6058, 6757, 10324, 12116, 13514, 20737, 27028, 33553, 41474, 67106, 82948, 87841, 134212, 175682, 269581, 351364, 539162, 601373, 1078324, 1202746, 2405492, 7817849, 15635698, 31271396]

約数ペア:

[(1, 31271396), (2, 15635698), (4, 7817849), (13, 2405492), (26, 1202746), (29, 1078324), (52, 601373), (58, 539162), (89, 351364), (116, 269581), (178, 175682), (233, 134212), (356, 87841), (377, 82948), (466, 67106), (754, 41474), (932, 33553), (1157, 27028), (1508, 20737), (2314, 13514), (2581, 12116), (3029, 10324), (4628, 6757), (5162, 6058)]