257450336

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:604

約数の個数: 96

約数和(自身を含む): 601509888

約数和(自身を除く): 344059552

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 127, 143, 176, 208, 254, 286, 352, 416, 443, 508, 572, 886, 1016, 1144, 1397, 1651, 1772, 2032, 2288, 2794, 3302, 3544, 4064, 4576, 4873, 5588, 5759, 6604, 7088, 9746, 11176, 11518, 13208, 14176, 18161, 19492, 22352, 23036, 26416, 36322, 38984, 44704, 46072, 52832, 56261, 63349, 72644, 77968, 92144, 112522, 126698, 145288, 155936, 184288, 225044, 253396, 290576, 450088, 506792, 581152, 618871, 731393, 900176, 1013584, 1237742, 1462786, 1800352, 2027168, 2475484, 2925572, 4950968, 5851144, 8045323, 9901936, 11702288, 16090646, 19803872, 23404576, 32181292, 64362584, 128725168, 257450336]

約数ペア:

[(1, 257450336), (2, 128725168), (4, 64362584), (8, 32181292), (11, 23404576), (13, 19803872), (16, 16090646), (22, 11702288), (26, 9901936), (32, 8045323), (44, 5851144), (52, 4950968), (88, 2925572), (104, 2475484), (127, 2027168), (143, 1800352), (176, 1462786), (208, 1237742), (254, 1013584), (286, 900176), (352, 731393), (416, 618871), (443, 581152), (508, 506792), (572, 450088), (886, 290576), (1016, 253396), (1144, 225044), (1397, 184288), (1651, 155936), (1772, 145288), (2032, 126698), (2288, 112522), (2794, 92144), (3302, 77968), (3544, 72644), (4064, 63349), (4576, 56261), (4873, 52832), (5588, 46072), (5759, 44704), (6604, 38984), (7088, 36322), (9746, 26416), (11176, 23036), (11518, 22352), (13208, 19492), (14176, 18161)]