64987408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{131023}}^1$

素因数の和:131062

約数の個数: 20

約数和(自身を含む): 129975808

約数和(自身を除く): 64988400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 131023, 262046, 524092, 1048184, 2096368, 4061713, 8123426, 16246852, 32493704, 64987408]

約数ペア:

[(1, 64987408), (2, 32493704), (4, 16246852), (8, 8123426), (16, 4061713), (31, 2096368), (62, 1048184), (124, 524092), (248, 262046), (496, 131023)]