257279664

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4106

約数の個数: 80

約数和(自身を含む): 702209024

約数和(自身を除く): 444929360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 48, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 496, 516, 688, 744, 1032, 1333, 1488, 2064, 2666, 3999, 4021, 5332, 7998, 8042, 10664, 12063, 15996, 16084, 21328, 24126, 31992, 32168, 48252, 63984, 64336, 96504, 124651, 172903, 193008, 249302, 345806, 373953, 498604, 518709, 691612, 747906, 997208, 1037418, 1383224, 1495812, 1994416, 2074836, 2766448, 2991624, 4149672, 5359993, 5983248, 8299344, 10719986, 16079979, 21439972, 32159958, 42879944, 64319916, 85759888, 128639832, 257279664]

約数ペア:

[(1, 257279664), (2, 128639832), (3, 85759888), (4, 64319916), (6, 42879944), (8, 32159958), (12, 21439972), (16, 16079979), (24, 10719986), (31, 8299344), (43, 5983248), (48, 5359993), (62, 4149672), (86, 2991624), (93, 2766448), (124, 2074836), (129, 1994416), (172, 1495812), (186, 1383224), (248, 1037418), (258, 997208), (344, 747906), (372, 691612), (496, 518709), (516, 498604), (688, 373953), (744, 345806), (1032, 249302), (1333, 193008), (1488, 172903), (2064, 124651), (2666, 96504), (3999, 64336), (4021, 63984), (5332, 48252), (7998, 32168), (8042, 31992), (10664, 24126), (12063, 21328), (15996, 16084)]