999743615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2081}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 1364126400

約数和(自身を除く): 364382785

約数列:

[1, 5, 13, 19, 65, 95, 247, 389, 1235, 1945, 2081, 5057, 7391, 10405, 25285, 27053, 36955, 39539, 96083, 135265, 197695, 480415, 514007, 809509, 2570035, 4047545, 10523617, 15380671, 52618085, 76903355, 199948723, 999743615]

約数ペア:

[(1, 999743615), (5, 199948723), (13, 76903355), (19, 52618085), (65, 15380671), (95, 10523617), (247, 4047545), (389, 2570035), (1235, 809509), (1945, 514007), (2081, 480415), (5057, 197695), (7391, 135265), (10405, 96083), (25285, 39539), (27053, 36955)]