407325152

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:836

約数の個数: 72

約数和(自身を含む): 877587480

約数和(自身を除く): 470262328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 169, 208, 218, 338, 416, 436, 676, 691, 872, 1352, 1382, 1417, 1744, 2704, 2764, 2834, 3488, 5408, 5528, 5668, 8983, 11056, 11336, 17966, 18421, 22112, 22672, 35932, 36842, 45344, 71864, 73684, 75319, 116779, 143728, 147368, 150638, 233558, 287456, 294736, 301276, 467116, 589472, 602552, 934232, 979147, 1205104, 1868464, 1958294, 2410208, 3736928, 3916588, 7833176, 12728911, 15666352, 25457822, 31332704, 50915644, 101831288, 203662576, 407325152]

約数ペア:

[(1, 407325152), (2, 203662576), (4, 101831288), (8, 50915644), (13, 31332704), (16, 25457822), (26, 15666352), (32, 12728911), (52, 7833176), (104, 3916588), (109, 3736928), (169, 2410208), (208, 1958294), (218, 1868464), (338, 1205104), (416, 979147), (436, 934232), (676, 602552), (691, 589472), (872, 467116), (1352, 301276), (1382, 294736), (1417, 287456), (1744, 233558), (2704, 150638), (2764, 147368), (2834, 143728), (3488, 116779), (5408, 75319), (5528, 73684), (5668, 71864), (8983, 45344), (11056, 36842), (11336, 35932), (17966, 22672), (18421, 22112)]