257361048

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{373}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 820900080

約数和(自身を除く): 563539032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 37, 42, 56, 63, 72, 74, 84, 111, 126, 148, 168, 222, 252, 259, 296, 333, 373, 444, 504, 518, 666, 746, 777, 888, 1036, 1119, 1332, 1369, 1492, 1554, 2072, 2238, 2331, 2611, 2664, 2738, 2984, 3108, 3357, 4107, 4476, 4662, 5222, 5476, 6216, 6714, 7833, 8214, 8952, 9324, 9583, 10444, 10952, 12321, 13428, 13801, 15666, 16428, 18648, 19166, 20888, 23499, 24642, 26856, 27602, 28749, 31332, 32856, 38332, 41403, 46998, 49284, 55204, 57498, 62664, 76664, 82806, 86247, 93996, 96607, 98568, 110408, 114996, 124209, 165612, 172494, 187992, 193214, 229992, 248418, 289821, 331224, 344988, 386428, 496836, 510637, 579642, 689976, 772856, 869463, 993672, 1021274, 1159284, 1531911, 1738926, 2042548, 2318568, 3063822, 3477852, 3574459, 4085096, 4595733, 6127644, 6955704, 7148918, 9191466, 10723377, 12255288, 14297836, 18382932, 21446754, 28595672, 32170131, 36765864, 42893508, 64340262, 85787016, 128680524, 257361048]

約数ペア:

[(1, 257361048), (2, 128680524), (3, 85787016), (4, 64340262), (6, 42893508), (7, 36765864), (8, 32170131), (9, 28595672), (12, 21446754), (14, 18382932), (18, 14297836), (21, 12255288), (24, 10723377), (28, 9191466), (36, 7148918), (37, 6955704), (42, 6127644), (56, 4595733), (63, 4085096), (72, 3574459), (74, 3477852), (84, 3063822), (111, 2318568), (126, 2042548), (148, 1738926), (168, 1531911), (222, 1159284), (252, 1021274), (259, 993672), (296, 869463), (333, 772856), (373, 689976), (444, 579642), (504, 510637), (518, 496836), (666, 386428), (746, 344988), (777, 331224), (888, 289821), (1036, 248418), (1119, 229992), (1332, 193214), (1369, 187992), (1492, 172494), (1554, 165612), (2072, 124209), (2238, 114996), (2331, 110408), (2611, 98568), (2664, 96607), (2738, 93996), (2984, 86247), (3108, 82806), (3357, 76664), (4107, 62664), (4476, 57498), (4662, 55204), (5222, 49284), (5476, 46998), (6216, 41403), (6714, 38332), (7833, 32856), (8214, 31332), (8952, 28749), (9324, 27602), (9583, 26856), (10444, 24642), (10952, 23499), (12321, 20888), (13428, 19166), (13801, 18648), (15666, 16428)]