28249648

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 68192064

約数和(自身を除く): 39942416

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 37, 56, 68, 74, 112, 119, 136, 148, 238, 259, 272, 296, 401, 476, 518, 592, 629, 802, 952, 1036, 1258, 1604, 1904, 2072, 2516, 2807, 3208, 4144, 4403, 5032, 5614, 6416, 6817, 8806, 10064, 11228, 13634, 14837, 17612, 22456, 27268, 29674, 35224, 44912, 47719, 54536, 59348, 70448, 95438, 103859, 109072, 118696, 190876, 207718, 237392, 252229, 381752, 415436, 504458, 763504, 830872, 1008916, 1661744, 1765603, 2017832, 3531206, 4035664, 7062412, 14124824, 28249648]

約数ペア:

[(1, 28249648), (2, 14124824), (4, 7062412), (7, 4035664), (8, 3531206), (14, 2017832), (16, 1765603), (17, 1661744), (28, 1008916), (34, 830872), (37, 763504), (56, 504458), (68, 415436), (74, 381752), (112, 252229), (119, 237392), (136, 207718), (148, 190876), (238, 118696), (259, 109072), (272, 103859), (296, 95438), (401, 70448), (476, 59348), (518, 54536), (592, 47719), (629, 44912), (802, 35224), (952, 29674), (1036, 27268), (1258, 22456), (1604, 17612), (1904, 14837), (2072, 13634), (2516, 11228), (2807, 10064), (3208, 8806), (4144, 6817), (4403, 6416), (5032, 5614)]