199933279

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 264297600

約数和(自身を除く): 64364321

約数列:

[1, 7, 13, 29, 49, 79, 91, 137, 203, 377, 553, 637, 959, 1027, 1421, 1781, 2291, 2639, 3871, 3973, 6713, 7189, 10823, 12467, 16037, 18473, 27811, 29783, 50323, 51649, 75761, 87269, 112259, 140699, 194677, 208481, 313867, 361543, 530327, 984893, 1459367, 2197069, 2530801, 4080271, 6894251, 15379483, 28561897, 199933279]

約数ペア:

[(1, 199933279), (7, 28561897), (13, 15379483), (29, 6894251), (49, 4080271), (79, 2530801), (91, 2197069), (137, 1459367), (203, 984893), (377, 530327), (553, 361543), (637, 313867), (959, 208481), (1027, 194677), (1421, 140699), (1781, 112259), (2291, 87269), (2639, 75761), (3871, 51649), (3973, 50323), (6713, 29783), (7189, 27811), (10823, 18473), (12467, 16037)]