491370288

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{751}}^1$

素因数の和:1122

約数の個数: 80

約数和(自身を含む): 1304726016

約数和(自身を除く): 813355728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 317, 344, 516, 634, 688, 751, 951, 1032, 1268, 1502, 1902, 2064, 2253, 2536, 3004, 3804, 4506, 5072, 6008, 7608, 9012, 12016, 13631, 15216, 18024, 27262, 32293, 36048, 40893, 54524, 64586, 81786, 96879, 109048, 129172, 163572, 193758, 218096, 238067, 258344, 327144, 387516, 476134, 516688, 654288, 714201, 775032, 952268, 1428402, 1550064, 1904536, 2856804, 3809072, 5713608, 10236881, 11427216, 20473762, 30710643, 40947524, 61421286, 81895048, 122842572, 163790096, 245685144, 491370288]

約数ペア:

[(1, 491370288), (2, 245685144), (3, 163790096), (4, 122842572), (6, 81895048), (8, 61421286), (12, 40947524), (16, 30710643), (24, 20473762), (43, 11427216), (48, 10236881), (86, 5713608), (129, 3809072), (172, 2856804), (258, 1904536), (317, 1550064), (344, 1428402), (516, 952268), (634, 775032), (688, 714201), (751, 654288), (951, 516688), (1032, 476134), (1268, 387516), (1502, 327144), (1902, 258344), (2064, 238067), (2253, 218096), (2536, 193758), (3004, 163572), (3804, 129172), (4506, 109048), (5072, 96879), (6008, 81786), (7608, 64586), (9012, 54524), (12016, 40893), (13631, 36048), (15216, 32293), (18024, 27262)]