87981509

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 119771136

約数和(自身を除く): 31789627

約数列:

[1, 7, 11, 23, 47, 49, 77, 151, 161, 253, 329, 517, 539, 1057, 1081, 1127, 1661, 1771, 2303, 3473, 3619, 7097, 7399, 7567, 11627, 11891, 12397, 24311, 25333, 38203, 49679, 52969, 78067, 81389, 83237, 163231, 170177, 267421, 347753, 546469, 582659, 1142617, 1795541, 1871947, 3825283, 7998319, 12568787, 87981509]

約数ペア:

[(1, 87981509), (7, 12568787), (11, 7998319), (23, 3825283), (47, 1871947), (49, 1795541), (77, 1142617), (151, 582659), (161, 546469), (253, 347753), (329, 267421), (517, 170177), (539, 163231), (1057, 83237), (1081, 81389), (1127, 78067), (1661, 52969), (1771, 49679), (2303, 38203), (3473, 25333), (3619, 24311), (7097, 12397), (7399, 11891), (7567, 11627)]