28274774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 25846186

約数列:

[1, 2, 11, 17, 19, 22, 23, 34, 38, 46, 173, 187, 209, 253, 323, 346, 374, 391, 418, 437, 506, 646, 782, 874, 1903, 2941, 3287, 3553, 3806, 3979, 4301, 4807, 5882, 6574, 7106, 7429, 7958, 8602, 9614, 14858, 32351, 36157, 43769, 55879, 64702, 67643, 72314, 75601, 81719, 87538, 111758, 135286, 151202, 163438, 614669, 744073, 831611, 1229338, 1285217, 1488146, 1663222, 2570434, 14137387, 28274774]

約数ペア:

[(1, 28274774), (2, 14137387), (11, 2570434), (17, 1663222), (19, 1488146), (22, 1285217), (23, 1229338), (34, 831611), (38, 744073), (46, 614669), (173, 163438), (187, 151202), (209, 135286), (253, 111758), (323, 87538), (346, 81719), (374, 75601), (391, 72314), (418, 67643), (437, 64702), (506, 55879), (646, 43769), (782, 36157), (874, 32351), (1903, 14858), (2941, 9614), (3287, 8602), (3553, 7958), (3806, 7429), (3979, 7106), (4301, 6574), (4807, 5882)]