1490256648

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{80537}}^1$

素因数の和:80806

約数の個数: 48

約数和(自身を含む): 4051866780

約数和(自身を除く): 2561610132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 1028, 1542, 2056, 2313, 3084, 4626, 6168, 9252, 18504, 80537, 161074, 241611, 322148, 483222, 644296, 724833, 966444, 1449666, 1932888, 2899332, 5798664, 20698009, 41396018, 62094027, 82792036, 124188054, 165584072, 186282081, 248376108, 372564162, 496752216, 745128324, 1490256648]

約数ペア:

[(1, 1490256648), (2, 745128324), (3, 496752216), (4, 372564162), (6, 248376108), (8, 186282081), (9, 165584072), (12, 124188054), (18, 82792036), (24, 62094027), (36, 41396018), (72, 20698009), (257, 5798664), (514, 2899332), (771, 1932888), (1028, 1449666), (1542, 966444), (2056, 724833), (2313, 644296), (3084, 483222), (4626, 322148), (6168, 241611), (9252, 161074), (18504, 80537)]