639156970826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{31723}}^1\times {\mathrm{6991}}^1$

素因数の和:38858

約数の個数: 32

約数和(自身を含む): 1054061116416

約数和(自身を除く): 414904145590

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 6991, 13982, 31723, 63446, 76901, 153802, 348953, 697906, 915821, 1831642, 4155713, 8311426, 10074031, 20148062, 45712843, 91425686, 221775493, 443550986, 2439530423, 4879060846, 29052589583, 58105179166, 319578485413, 639156970826]

約数ペア:

[(1, 639156970826), (2, 319578485413), (11, 58105179166), (22, 29052589583), (131, 4879060846), (262, 2439530423), (1441, 443550986), (2882, 221775493), (6991, 91425686), (13982, 45712843), (31723, 20148062), (63446, 10074031), (76901, 8311426), (153802, 4155713), (348953, 1831642), (697906, 915821)]