639442826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{21419}}^1$

素因数の和:21514

約数の個数: 32

約数和(自身を含む): 1110412800

約数和(自身を除く): 470969974

約数列:

[1, 2, 11, 22, 23, 46, 59, 118, 253, 506, 649, 1298, 1357, 2714, 14927, 21419, 29854, 42838, 235609, 471218, 492637, 985274, 1263721, 2527442, 5419007, 10838014, 13900931, 27801862, 29065583, 58131166, 319721413, 639442826]

約数ペア:

[(1, 639442826), (2, 319721413), (11, 58131166), (22, 29065583), (23, 27801862), (46, 13900931), (59, 10838014), (118, 5419007), (253, 2527442), (506, 1263721), (649, 985274), (1298, 492637), (1357, 471218), (2714, 235609), (14927, 42838), (21419, 29854)]