256505664

素因数分解:

$2^6\times 3^1\times {\mathrm{43}}^1\times {\mathrm{31069}}^1$

素因数の和:31127

約数の個数: 56

約数和(自身を含む): 694476640

約数和(自身を除く): 437970976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 129, 172, 192, 258, 344, 516, 688, 1032, 1376, 2064, 2752, 4128, 8256, 31069, 62138, 93207, 124276, 186414, 248552, 372828, 497104, 745656, 994208, 1335967, 1491312, 1988416, 2671934, 2982624, 4007901, 5343868, 5965248, 8015802, 10687736, 16031604, 21375472, 32063208, 42750944, 64126416, 85501888, 128252832, 256505664]

約数ペア:

[(1, 256505664), (2, 128252832), (3, 85501888), (4, 64126416), (6, 42750944), (8, 32063208), (12, 21375472), (16, 16031604), (24, 10687736), (32, 8015802), (43, 5965248), (48, 5343868), (64, 4007901), (86, 2982624), (96, 2671934), (129, 1988416), (172, 1491312), (192, 1335967), (258, 994208), (344, 745656), (516, 497104), (688, 372828), (1032, 248552), (1376, 186414), (2064, 124276), (2752, 93207), (4128, 62138), (8256, 31069)]