489638656

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{881}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 1060051104

約数和(自身を除く): 570412448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 167, 208, 256, 334, 416, 668, 832, 881, 1336, 1664, 1762, 2171, 2672, 3328, 3524, 4342, 5344, 7048, 8684, 10688, 11453, 14096, 17368, 21376, 22906, 28192, 34736, 42752, 45812, 56384, 69472, 91624, 112768, 138944, 147127, 183248, 225536, 277888, 294254, 366496, 555776, 588508, 732992, 1177016, 1465984, 1912651, 2354032, 2931968, 3825302, 4708064, 7650604, 9416128, 15301208, 18832256, 30602416, 37664512, 61204832, 122409664, 244819328, 489638656]

約数ペア:

[(1, 489638656), (2, 244819328), (4, 122409664), (8, 61204832), (13, 37664512), (16, 30602416), (26, 18832256), (32, 15301208), (52, 9416128), (64, 7650604), (104, 4708064), (128, 3825302), (167, 2931968), (208, 2354032), (256, 1912651), (334, 1465984), (416, 1177016), (668, 732992), (832, 588508), (881, 555776), (1336, 366496), (1664, 294254), (1762, 277888), (2171, 225536), (2672, 183248), (3328, 147127), (3524, 138944), (4342, 112768), (5344, 91624), (7048, 69472), (8684, 56384), (10688, 45812), (11453, 42752), (14096, 34736), (17368, 28192), (21376, 22906)]