28745756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 56471520

約数和(自身を除く): 27725764

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 97, 139, 164, 194, 278, 388, 533, 556, 1066, 1261, 1807, 2132, 2522, 3614, 3977, 5044, 5699, 7228, 7954, 11398, 13483, 15908, 22796, 26966, 51701, 53932, 74087, 103402, 148174, 175279, 206804, 296348, 350558, 552803, 701116, 1105606, 2211212, 7186439, 14372878, 28745756]

約数ペア:

[(1, 28745756), (2, 14372878), (4, 7186439), (13, 2211212), (26, 1105606), (41, 701116), (52, 552803), (82, 350558), (97, 296348), (139, 206804), (164, 175279), (194, 148174), (278, 103402), (388, 74087), (533, 53932), (556, 51701), (1066, 26966), (1261, 22796), (1807, 15908), (2132, 13483), (2522, 11398), (3614, 7954), (3977, 7228), (5044, 5699)]