400202231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 493516800

約数和(自身を除く): 93314569

約数列:

[1, 11, 13, 23, 143, 253, 271, 299, 449, 2981, 3289, 3523, 4939, 5837, 6233, 10327, 38753, 64207, 68563, 81029, 113597, 121679, 134251, 891319, 1338469, 1476761, 1581827, 2798617, 17400097, 30784787, 36382021, 400202231]

約数ペア:

[(1, 400202231), (11, 36382021), (13, 30784787), (23, 17400097), (143, 2798617), (253, 1581827), (271, 1476761), (299, 1338469), (449, 891319), (2981, 134251), (3289, 121679), (3523, 113597), (4939, 81029), (5837, 68563), (6233, 64207), (10327, 38753)]