28176516

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 74594520

約数和(自身を除く): 46418004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 137, 174, 197, 261, 274, 348, 394, 411, 522, 548, 591, 788, 822, 1044, 1182, 1233, 1644, 1773, 2364, 2466, 3546, 3973, 4932, 5713, 7092, 7946, 11426, 11919, 15892, 17139, 22852, 23838, 26989, 34278, 35757, 47676, 51417, 53978, 68556, 71514, 80967, 102834, 107956, 143028, 161934, 205668, 242901, 323868, 485802, 782681, 971604, 1565362, 2348043, 3130724, 4696086, 7044129, 9392172, 14088258, 28176516]

約数ペア:

[(1, 28176516), (2, 14088258), (3, 9392172), (4, 7044129), (6, 4696086), (9, 3130724), (12, 2348043), (18, 1565362), (29, 971604), (36, 782681), (58, 485802), (87, 323868), (116, 242901), (137, 205668), (174, 161934), (197, 143028), (261, 107956), (274, 102834), (348, 80967), (394, 71514), (411, 68556), (522, 53978), (548, 51417), (591, 47676), (788, 35757), (822, 34278), (1044, 26989), (1182, 23838), (1233, 22852), (1644, 17139), (1773, 15892), (2364, 11919), (2466, 11426), (3546, 7946), (3973, 7092), (4932, 5713)]