258816008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 546048000

約数和(自身を除く): 287231992

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 79, 88, 118, 158, 236, 316, 472, 631, 632, 649, 869, 1262, 1298, 1738, 2524, 2596, 3476, 4661, 5048, 5192, 6941, 6952, 9322, 13882, 18644, 27764, 37229, 37288, 49849, 51271, 55528, 74458, 99698, 102542, 148916, 199396, 205084, 297832, 398792, 409519, 410168, 548339, 819038, 1096678, 1638076, 2193356, 2941091, 3276152, 4386712, 5882182, 11764364, 23528728, 32352001, 64704002, 129408004, 258816008]

約数ペア:

[(1, 258816008), (2, 129408004), (4, 64704002), (8, 32352001), (11, 23528728), (22, 11764364), (44, 5882182), (59, 4386712), (79, 3276152), (88, 2941091), (118, 2193356), (158, 1638076), (236, 1096678), (316, 819038), (472, 548339), (631, 410168), (632, 409519), (649, 398792), (869, 297832), (1262, 205084), (1298, 199396), (1738, 148916), (2524, 102542), (2596, 99698), (3476, 74458), (4661, 55528), (5048, 51271), (5192, 49849), (6941, 37288), (6952, 37229), (9322, 27764), (13882, 18644)]