820336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 1785600

約数和(自身を除く): 965264

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 79, 88, 118, 158, 176, 236, 316, 472, 632, 649, 869, 944, 1264, 1298, 1738, 2596, 3476, 4661, 5192, 6952, 9322, 10384, 13904, 18644, 37288, 51271, 74576, 102542, 205084, 410168, 820336]

約数ペア:

[(1, 820336), (2, 410168), (4, 205084), (8, 102542), (11, 74576), (16, 51271), (22, 37288), (44, 18644), (59, 13904), (79, 10384), (88, 9322), (118, 6952), (158, 5192), (176, 4661), (236, 3476), (316, 2596), (472, 1738), (632, 1298), (649, 1264), (869, 944)]