697156668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{20981}}^1$

素因数の和:21075

約数の個数: 72

約数和(自身を含む): 1924636896

約数和(自身を除く): 1227480228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 1278, 1846, 2556, 2769, 3692, 5538, 8307, 11076, 16614, 20981, 33228, 41962, 62943, 83924, 125886, 188829, 251772, 272753, 377658, 545506, 755316, 818259, 1091012, 1489651, 1636518, 2454777, 2979302, 3273036, 4468953, 4909554, 5958604, 8937906, 9819108, 13406859, 17875812, 19365463, 26813718, 38730926, 53627436, 58096389, 77461852, 116192778, 174289167, 232385556, 348578334, 697156668]

約数ペア:

[(1, 697156668), (2, 348578334), (3, 232385556), (4, 174289167), (6, 116192778), (9, 77461852), (12, 58096389), (13, 53627436), (18, 38730926), (26, 26813718), (36, 19365463), (39, 17875812), (52, 13406859), (71, 9819108), (78, 8937906), (117, 5958604), (142, 4909554), (156, 4468953), (213, 3273036), (234, 2979302), (284, 2454777), (426, 1636518), (468, 1489651), (639, 1091012), (852, 818259), (923, 755316), (1278, 545506), (1846, 377658), (2556, 272753), (2769, 251772), (3692, 188829), (5538, 125886), (8307, 83924), (11076, 62943), (16614, 41962), (20981, 33228)]