685139728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{827}}^1$

素因数の和:1424

約数の個数: 80

約数和(自身を含む): 1638645120

約数和(自身を除く): 953505392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 569, 728, 827, 1138, 1456, 1654, 2276, 3308, 3983, 4552, 5789, 6616, 7397, 7966, 9104, 10751, 11578, 13232, 14794, 15932, 21502, 23156, 29588, 31864, 43004, 46312, 51779, 59176, 63728, 75257, 86008, 92624, 103558, 118352, 150514, 172016, 207116, 301028, 414232, 470563, 602056, 828464, 941126, 1204112, 1882252, 3293941, 3764504, 6117319, 6587882, 7529008, 12234638, 13175764, 24469276, 26351528, 42821233, 48938552, 52703056, 85642466, 97877104, 171284932, 342569864, 685139728]

約数ペア:

[(1, 685139728), (2, 342569864), (4, 171284932), (7, 97877104), (8, 85642466), (13, 52703056), (14, 48938552), (16, 42821233), (26, 26351528), (28, 24469276), (52, 13175764), (56, 12234638), (91, 7529008), (104, 6587882), (112, 6117319), (182, 3764504), (208, 3293941), (364, 1882252), (569, 1204112), (728, 941126), (827, 828464), (1138, 602056), (1456, 470563), (1654, 414232), (2276, 301028), (3308, 207116), (3983, 172016), (4552, 150514), (5789, 118352), (6616, 103558), (7397, 92624), (7966, 86008), (9104, 75257), (10751, 63728), (11578, 59176), (13232, 51779), (14794, 46312), (15932, 43004), (21502, 31864), (23156, 29588)]