397797816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 1108800000

約数和(自身を除く): 711002184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 149, 156, 172, 199, 258, 298, 312, 344, 398, 447, 516, 559, 596, 597, 796, 894, 1032, 1118, 1192, 1194, 1592, 1677, 1788, 1937, 2236, 2388, 2587, 3354, 3576, 3874, 4472, 4776, 5174, 5811, 6407, 6708, 7748, 7761, 8557, 10348, 11622, 12814, 13416, 15496, 15522, 17114, 19221, 20696, 23244, 25628, 25671, 29651, 31044, 34228, 38442, 46488, 51256, 51342, 59302, 62088, 68456, 76884, 83291, 88953, 102684, 111241, 118604, 153768, 166582, 177906, 205368, 222482, 237208, 249873, 333164, 333723, 355812, 385463, 444964, 499746, 666328, 667446, 711624, 770926, 889928, 999492, 1156389, 1274993, 1334892, 1541852, 1998984, 2312778, 2549986, 2669784, 3083704, 3824979, 4625556, 5099972, 7649958, 9251112, 10199944, 15299916, 16574909, 30599832, 33149818, 49724727, 66299636, 99449454, 132599272, 198898908, 397797816]

約数ペア:

[(1, 397797816), (2, 198898908), (3, 132599272), (4, 99449454), (6, 66299636), (8, 49724727), (12, 33149818), (13, 30599832), (24, 16574909), (26, 15299916), (39, 10199944), (43, 9251112), (52, 7649958), (78, 5099972), (86, 4625556), (104, 3824979), (129, 3083704), (149, 2669784), (156, 2549986), (172, 2312778), (199, 1998984), (258, 1541852), (298, 1334892), (312, 1274993), (344, 1156389), (398, 999492), (447, 889928), (516, 770926), (559, 711624), (596, 667446), (597, 666328), (796, 499746), (894, 444964), (1032, 385463), (1118, 355812), (1192, 333723), (1194, 333164), (1592, 249873), (1677, 237208), (1788, 222482), (1937, 205368), (2236, 177906), (2388, 166582), (2587, 153768), (3354, 118604), (3576, 111241), (3874, 102684), (4472, 88953), (4776, 83291), (5174, 76884), (5811, 68456), (6407, 62088), (6708, 59302), (7748, 51342), (7761, 51256), (8557, 46488), (10348, 38442), (11622, 34228), (12814, 31044), (13416, 29651), (15496, 25671), (15522, 25628), (17114, 23244), (19221, 20696)]