1971406157

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{221581}}^1$

素因数の和:221660

約数の個数: 16

約数和(自身を含む): 2382449664

約数和(自身を除く): 411043507

約数列:

[1, 7, 31, 41, 217, 287, 1271, 8897, 221581, 1551067, 6869011, 9084821, 48083077, 63593747, 281629451, 1971406157]

約数ペア:

[(1, 1971406157), (7, 281629451), (31, 63593747), (41, 48083077), (217, 9084821), (287, 6869011), (1271, 1551067), (8897, 221581)]