87770284

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{19231}}^1$

素因数の和:19405

約数の個数: 24

約数和(自身を含む): 176626688

約数和(自身を除く): 88856404

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 19231, 38462, 76924, 134617, 269234, 538468, 3134653, 6269306, 12538612, 21942571, 43885142, 87770284]

約数ペア:

[(1, 87770284), (2, 43885142), (4, 21942571), (7, 12538612), (14, 6269306), (28, 3134653), (163, 538468), (326, 269234), (652, 134617), (1141, 76924), (2282, 38462), (4564, 19231)]