491778392

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131071}}^1$

素因数の和:131151

約数の個数: 32

約数和(自身を含む): 1069547520

約数和(自身を除く): 577769128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 131071, 262142, 524284, 917497, 1048568, 1834994, 3669988, 7339976, 8781757, 17563514, 35127028, 61472299, 70254056, 122944598, 245889196, 491778392]

約数ペア:

[(1, 491778392), (2, 245889196), (4, 122944598), (7, 70254056), (8, 61472299), (14, 35127028), (28, 17563514), (56, 8781757), (67, 7339976), (134, 3669988), (268, 1834994), (469, 1048568), (536, 917497), (938, 524284), (1876, 262142), (3752, 131071)]