90193741

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 111974400

約数和(自身を除く): 21780659

約数列:

[1, 11, 19, 23, 29, 209, 253, 319, 437, 551, 647, 667, 4807, 6061, 7117, 7337, 12293, 12673, 14881, 18763, 135223, 139403, 163691, 206393, 282739, 356497, 431549, 3110129, 3921467, 4747039, 8199431, 90193741]

約数ペア:

[(1, 90193741), (11, 8199431), (19, 4747039), (23, 3921467), (29, 3110129), (209, 431549), (253, 356497), (319, 282739), (437, 206393), (551, 163691), (647, 139403), (667, 135223), (4807, 18763), (6061, 14881), (7117, 12673), (7337, 12293)]