28120218

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1067

約数の個数: 48

約数和(自身を含む): 66140064

約数和(自身を除く): 38019846

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 101, 147, 202, 294, 303, 606, 707, 947, 1414, 1894, 2121, 2841, 4242, 4949, 5682, 6629, 9898, 13258, 14847, 19887, 29694, 39774, 46403, 92806, 95647, 139209, 191294, 278418, 286941, 573882, 669529, 1339058, 2008587, 4017174, 4686703, 9373406, 14060109, 28120218]

約数ペア:

[(1, 28120218), (2, 14060109), (3, 9373406), (6, 4686703), (7, 4017174), (14, 2008587), (21, 1339058), (42, 669529), (49, 573882), (98, 286941), (101, 278418), (147, 191294), (202, 139209), (294, 95647), (303, 92806), (606, 46403), (707, 39774), (947, 29694), (1414, 19887), (1894, 14847), (2121, 13258), (2841, 9898), (4242, 6629), (4949, 5682)]