128373868

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 280814688

約数和(自身を除く): 152440820

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 68, 74, 119, 148, 197, 238, 259, 394, 476, 518, 629, 788, 1036, 1258, 1369, 1379, 2516, 2738, 2758, 3349, 4403, 5476, 5516, 6698, 7289, 8806, 9583, 13396, 14578, 17612, 19166, 23273, 23443, 29156, 38332, 46546, 46886, 51023, 93092, 93772, 102046, 123913, 162911, 204092, 247826, 269693, 325822, 495652, 539386, 651644, 867391, 1078772, 1734782, 1887851, 3469564, 3775702, 4584781, 7551404, 9169562, 18339124, 32093467, 64186934, 128373868]

約数ペア:

[(1, 128373868), (2, 64186934), (4, 32093467), (7, 18339124), (14, 9169562), (17, 7551404), (28, 4584781), (34, 3775702), (37, 3469564), (68, 1887851), (74, 1734782), (119, 1078772), (148, 867391), (197, 651644), (238, 539386), (259, 495652), (394, 325822), (476, 269693), (518, 247826), (629, 204092), (788, 162911), (1036, 123913), (1258, 102046), (1369, 93772), (1379, 93092), (2516, 51023), (2738, 46886), (2758, 46546), (3349, 38332), (4403, 29156), (5476, 23443), (5516, 23273), (6698, 19166), (7289, 17612), (8806, 14578), (9583, 13396)]