400397452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{4721}}^1$

素因数の和:4978

約数の個数: 48

約数和(自身を含む): 866279232

約数和(自身を除く): 465881780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 233, 364, 466, 932, 1631, 3029, 3262, 4721, 6058, 6524, 9442, 12116, 18884, 21203, 33047, 42406, 61373, 66094, 84812, 122746, 132188, 245492, 429611, 859222, 1099993, 1718444, 2199986, 4399972, 7699951, 14299909, 15399902, 28599818, 30799804, 57199636, 100099363, 200198726, 400397452]

約数ペア:

[(1, 400397452), (2, 200198726), (4, 100099363), (7, 57199636), (13, 30799804), (14, 28599818), (26, 15399902), (28, 14299909), (52, 7699951), (91, 4399972), (182, 2199986), (233, 1718444), (364, 1099993), (466, 859222), (932, 429611), (1631, 245492), (3029, 132188), (3262, 122746), (4721, 84812), (6058, 66094), (6524, 61373), (9442, 42406), (12116, 33047), (18884, 21203)]