991678788

素因数分解:

$2^2\times 3^4\times {\mathrm{823}}^1\times {\mathrm{3719}}^1$

素因数の和:4558

約数の個数: 60

約数和(自身を含む): 2596292160

約数和(自身を除く): 1604613372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 823, 1646, 2469, 3292, 3719, 4938, 7407, 7438, 9876, 11157, 14814, 14876, 22221, 22314, 29628, 33471, 44442, 44628, 66663, 66942, 88884, 100413, 133326, 133884, 200826, 266652, 301239, 401652, 602478, 1204956, 3060737, 6121474, 9182211, 12242948, 18364422, 27546633, 36728844, 55093266, 82639899, 110186532, 165279798, 247919697, 330559596, 495839394, 991678788]

約数ペア:

[(1, 991678788), (2, 495839394), (3, 330559596), (4, 247919697), (6, 165279798), (9, 110186532), (12, 82639899), (18, 55093266), (27, 36728844), (36, 27546633), (54, 18364422), (81, 12242948), (108, 9182211), (162, 6121474), (324, 3060737), (823, 1204956), (1646, 602478), (2469, 401652), (3292, 301239), (3719, 266652), (4938, 200826), (7407, 133884), (7438, 133326), (9876, 100413), (11157, 88884), (14814, 66942), (14876, 66663), (22221, 44628), (22314, 44442), (29628, 33471)]