809781856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{2371}}^1$

素因数の和:3215

約数の個数: 48

約数和(自身を含む): 1719709488

約数和(自身を除く): 909927632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 821, 1642, 2371, 3284, 4742, 6568, 9484, 10673, 13136, 18968, 21346, 26272, 30823, 37936, 42692, 61646, 75872, 85384, 123292, 170768, 246584, 341536, 493168, 986336, 1946591, 3893182, 7786364, 15572728, 25305683, 31145456, 50611366, 62290912, 101222732, 202445464, 404890928, 809781856]

約数ペア:

[(1, 809781856), (2, 404890928), (4, 202445464), (8, 101222732), (13, 62290912), (16, 50611366), (26, 31145456), (32, 25305683), (52, 15572728), (104, 7786364), (208, 3893182), (416, 1946591), (821, 986336), (1642, 493168), (2371, 341536), (3284, 246584), (4742, 170768), (6568, 123292), (9484, 85384), (10673, 75872), (13136, 61646), (18968, 42692), (21346, 37936), (26272, 30823)]