28045784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 62143200

約数和(自身を除く): 34097416

約数列:

[1, 2, 4, 8, 13, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 221, 232, 377, 442, 493, 547, 754, 884, 986, 1094, 1508, 1768, 1972, 2188, 3016, 3944, 4376, 6409, 7111, 9299, 12818, 14222, 15863, 18598, 25636, 28444, 31726, 37196, 51272, 56888, 63452, 74392, 120887, 126904, 206219, 241774, 269671, 412438, 483548, 539342, 824876, 967096, 1078684, 1649752, 2157368, 3505723, 7011446, 14022892, 28045784]

約数ペア:

[(1, 28045784), (2, 14022892), (4, 7011446), (8, 3505723), (13, 2157368), (17, 1649752), (26, 1078684), (29, 967096), (34, 824876), (52, 539342), (58, 483548), (68, 412438), (104, 269671), (116, 241774), (136, 206219), (221, 126904), (232, 120887), (377, 74392), (442, 63452), (493, 56888), (547, 51272), (754, 37196), (884, 31726), (986, 28444), (1094, 25636), (1508, 18598), (1768, 15863), (1972, 14222), (2188, 12818), (3016, 9299), (3944, 7111), (4376, 6409)]