1218188538

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 3193344000

約数和(自身を除く): 1975155462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 149, 189, 258, 298, 301, 378, 387, 447, 503, 602, 774, 894, 903, 1006, 1043, 1161, 1341, 1509, 1806, 2086, 2322, 2682, 2709, 3018, 3129, 3521, 4023, 4527, 5418, 6258, 6407, 7042, 8046, 8127, 9054, 9387, 10563, 12814, 13581, 16254, 18774, 19221, 21126, 21629, 27162, 28161, 31689, 38442, 43258, 44849, 56322, 57663, 63378, 64887, 74947, 89698, 95067, 115326, 129774, 134547, 149894, 151403, 172989, 190134, 194661, 224841, 269094, 302806, 345978, 389322, 403641, 449682, 454209, 524629, 583983, 674523, 807282, 908418, 1049258, 1167966, 1210923, 1349046, 1362627, 1573887, 2023569, 2421846, 2725254, 3147774, 3222721, 4047138, 4087881, 4721661, 6445442, 8175762, 9443322, 9668163, 14164983, 19336326, 22559047, 28329966, 29004489, 45118094, 58008978, 67677141, 87013467, 135354282, 174026934, 203031423, 406062846, 609094269, 1218188538]

約数ペア:

[(1, 1218188538), (2, 609094269), (3, 406062846), (6, 203031423), (7, 174026934), (9, 135354282), (14, 87013467), (18, 67677141), (21, 58008978), (27, 45118094), (42, 29004489), (43, 28329966), (54, 22559047), (63, 19336326), (86, 14164983), (126, 9668163), (129, 9443322), (149, 8175762), (189, 6445442), (258, 4721661), (298, 4087881), (301, 4047138), (378, 3222721), (387, 3147774), (447, 2725254), (503, 2421846), (602, 2023569), (774, 1573887), (894, 1362627), (903, 1349046), (1006, 1210923), (1043, 1167966), (1161, 1049258), (1341, 908418), (1509, 807282), (1806, 674523), (2086, 583983), (2322, 524629), (2682, 454209), (2709, 449682), (3018, 403641), (3129, 389322), (3521, 345978), (4023, 302806), (4527, 269094), (5418, 224841), (6258, 194661), (6407, 190134), (7042, 172989), (8046, 151403), (8127, 149894), (9054, 134547), (9387, 129774), (10563, 115326), (12814, 95067), (13581, 89698), (16254, 74947), (18774, 64887), (19221, 63378), (21126, 57663), (21629, 56322), (27162, 44849), (28161, 43258), (31689, 38442)]