261364248

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{20983}}^1$

素因数の和:21168

約数の個数: 48

約数和(自身を含む): 711987120

約数和(自身を除く): 450622872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 2076, 3114, 4152, 6228, 12456, 20983, 41966, 62949, 83932, 125898, 167864, 188847, 251796, 377694, 503592, 755388, 1510776, 3630059, 7260118, 10890177, 14520236, 21780354, 29040472, 32670531, 43560708, 65341062, 87121416, 130682124, 261364248]

約数ペア:

[(1, 261364248), (2, 130682124), (3, 87121416), (4, 65341062), (6, 43560708), (8, 32670531), (9, 29040472), (12, 21780354), (18, 14520236), (24, 10890177), (36, 7260118), (72, 3630059), (173, 1510776), (346, 755388), (519, 503592), (692, 377694), (1038, 251796), (1384, 188847), (1557, 167864), (2076, 125898), (3114, 83932), (4152, 62949), (6228, 41966), (12456, 20983)]