728659764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{11251}}^1$

素因数の和:11525

約数の個数: 72

約数和(自身を含む): 2113395648

約数和(自身を除く): 1384735884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 514, 771, 1028, 1542, 1799, 2313, 3084, 3598, 4626, 5397, 7196, 9252, 10794, 11251, 16191, 21588, 22502, 32382, 33753, 45004, 64764, 67506, 78757, 101259, 135012, 157514, 202518, 236271, 315028, 405036, 472542, 708813, 945084, 1417626, 2835252, 2891507, 5783014, 8674521, 11566028, 17349042, 20240549, 26023563, 34698084, 40481098, 52047126, 60721647, 80962196, 104094252, 121443294, 182164941, 242886588, 364329882, 728659764]

約数ペア:

[(1, 728659764), (2, 364329882), (3, 242886588), (4, 182164941), (6, 121443294), (7, 104094252), (9, 80962196), (12, 60721647), (14, 52047126), (18, 40481098), (21, 34698084), (28, 26023563), (36, 20240549), (42, 17349042), (63, 11566028), (84, 8674521), (126, 5783014), (252, 2891507), (257, 2835252), (514, 1417626), (771, 945084), (1028, 708813), (1542, 472542), (1799, 405036), (2313, 315028), (3084, 236271), (3598, 202518), (4626, 157514), (5397, 135012), (7196, 101259), (9252, 78757), (10794, 67506), (11251, 64764), (16191, 45004), (21588, 33753), (22502, 32382)]