261293384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{4957}}^1$

素因数の和:5573

約数の個数: 32

約数和(自身を含む): 535464000

約数和(自身を除く): 274170616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 599, 1198, 2396, 4792, 4957, 6589, 9914, 13178, 19828, 26356, 39656, 52712, 54527, 109054, 218108, 436216, 2969243, 5938486, 11876972, 23753944, 32661673, 65323346, 130646692, 261293384]

約数ペア:

[(1, 261293384), (2, 130646692), (4, 65323346), (8, 32661673), (11, 23753944), (22, 11876972), (44, 5938486), (88, 2969243), (599, 436216), (1198, 218108), (2396, 109054), (4792, 54527), (4957, 52712), (6589, 39656), (9914, 26356), (13178, 19828)]