1986248915

素因数分解:

$5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1\times {\mathrm{503}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 2746275840

約数和(自身を除く): 760026925

約数列:

[1, 5, 7, 35, 257, 439, 503, 1285, 1799, 2195, 2515, 3073, 3521, 8995, 15365, 17605, 112823, 129271, 220817, 564115, 646355, 789761, 904897, 1104085, 1545719, 3948805, 4524485, 7728595, 56749969, 283749845, 397249783, 1986248915]

約数ペア:

[(1, 1986248915), (5, 397249783), (7, 283749845), (35, 56749969), (257, 7728595), (439, 4524485), (503, 3948805), (1285, 1545719), (1799, 1104085), (2195, 904897), (2515, 789761), (3073, 646355), (3521, 564115), (8995, 220817), (15365, 129271), (17605, 112823)]