218920338

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 144

約数和(自身を含む): 605883096

約数和(自身を除く): 386962758

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 61, 63, 78, 91, 98, 117, 122, 126, 147, 182, 183, 234, 273, 294, 313, 366, 427, 441, 546, 549, 626, 637, 793, 819, 854, 882, 939, 1098, 1274, 1281, 1586, 1638, 1878, 1911, 2191, 2379, 2562, 2817, 2989, 3822, 3843, 4069, 4382, 4758, 5551, 5634, 5733, 5978, 6573, 7137, 7686, 8138, 8967, 11102, 11466, 12207, 13146, 14274, 15337, 16653, 17934, 19093, 19719, 24414, 26901, 28483, 30674, 33306, 36621, 38186, 38857, 39438, 46011, 49959, 53802, 56966, 57279, 73242, 77714, 85449, 92022, 99918, 114558, 116571, 133651, 138033, 170898, 171837, 199381, 233142, 248209, 256347, 267302, 276066, 343674, 349713, 398762, 400953, 496418, 512694, 598143, 699426, 744627, 801906, 935557, 1196286, 1202859, 1489254, 1737463, 1794429, 1871114, 2233881, 2405718, 2806671, 3474926, 3588858, 4467762, 5212389, 5613342, 8420013, 10424778, 12162241, 15637167, 16840026, 24324482, 31274334, 36486723, 72973446, 109460169, 218920338]

約数ペア:

[(1, 218920338), (2, 109460169), (3, 72973446), (6, 36486723), (7, 31274334), (9, 24324482), (13, 16840026), (14, 15637167), (18, 12162241), (21, 10424778), (26, 8420013), (39, 5613342), (42, 5212389), (49, 4467762), (61, 3588858), (63, 3474926), (78, 2806671), (91, 2405718), (98, 2233881), (117, 1871114), (122, 1794429), (126, 1737463), (147, 1489254), (182, 1202859), (183, 1196286), (234, 935557), (273, 801906), (294, 744627), (313, 699426), (366, 598143), (427, 512694), (441, 496418), (546, 400953), (549, 398762), (626, 349713), (637, 343674), (793, 276066), (819, 267302), (854, 256347), (882, 248209), (939, 233142), (1098, 199381), (1274, 171837), (1281, 170898), (1586, 138033), (1638, 133651), (1878, 116571), (1911, 114558), (2191, 99918), (2379, 92022), (2562, 85449), (2817, 77714), (2989, 73242), (3822, 57279), (3843, 56966), (4069, 53802), (4382, 49959), (4758, 46011), (5551, 39438), (5634, 38857), (5733, 38186), (5978, 36621), (6573, 33306), (7137, 30674), (7686, 28483), (8138, 26901), (8967, 24414), (11102, 19719), (11466, 19093), (12207, 17934), (13146, 16653), (14274, 15337)]