278315979837

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 452041728000

約数和(自身を除く): 173725748163

約数列:

[1, 3, 7, 21, 29, 73, 87, 163, 193, 199, 203, 219, 489, 511, 579, 597, 609, 1141, 1351, 1393, 1533, 2117, 3423, 4053, 4179, 4727, 5597, 5771, 6351, 11899, 14089, 14181, 14527, 14819, 16791, 17313, 31459, 32437, 33089, 35697, 38407, 39179, 40397, 42267, 43581, 44457, 83293, 94377, 97311, 98623, 99267, 101689, 115221, 117537, 121191, 220213, 227059, 249879, 268849, 295869, 305067, 345071, 408581, 421283, 660639, 681177, 806547, 912311, 940673, 1035213, 1113803, 1225743, 1263849, 2296507, 2367901, 2415497, 2736933, 2803711, 2822019, 2860067, 2948981, 3341409, 6260341, 6386177, 6584711, 6889521, 7103703, 7246491, 7796621, 8411133, 8580201, 8846943, 16075549, 16575307, 18781023, 19158531, 19625977, 19754133, 23389863, 43822387, 48226647, 49725921, 58877931, 66598703, 68669129, 81307619, 131467161, 181549889, 199796109, 206007387, 243922857, 457004893, 466190921, 480683903, 544649667, 569153333, 1270849223, 1371014679, 1398572763, 1442051709, 1707459999, 3199034251, 3812547669, 9597102753, 13253141897, 39759425691, 92771993279, 278315979837]

約数ペア:

[(1, 278315979837), (3, 92771993279), (7, 39759425691), (21, 13253141897), (29, 9597102753), (73, 3812547669), (87, 3199034251), (163, 1707459999), (193, 1442051709), (199, 1398572763), (203, 1371014679), (219, 1270849223), (489, 569153333), (511, 544649667), (579, 480683903), (597, 466190921), (609, 457004893), (1141, 243922857), (1351, 206007387), (1393, 199796109), (1533, 181549889), (2117, 131467161), (3423, 81307619), (4053, 68669129), (4179, 66598703), (4727, 58877931), (5597, 49725921), (5771, 48226647), (6351, 43822387), (11899, 23389863), (14089, 19754133), (14181, 19625977), (14527, 19158531), (14819, 18781023), (16791, 16575307), (17313, 16075549), (31459, 8846943), (32437, 8580201), (33089, 8411133), (35697, 7796621), (38407, 7246491), (39179, 7103703), (40397, 6889521), (42267, 6584711), (43581, 6386177), (44457, 6260341), (83293, 3341409), (94377, 2948981), (97311, 2860067), (98623, 2822019), (99267, 2803711), (101689, 2736933), (115221, 2415497), (117537, 2367901), (121191, 2296507), (220213, 1263849), (227059, 1225743), (249879, 1113803), (268849, 1035213), (295869, 940673), (305067, 912311), (345071, 806547), (408581, 681177), (421283, 660639)]