28060208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 63329280

約数和(自身を除く): 35269072

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 37, 44, 62, 74, 88, 124, 139, 148, 176, 248, 278, 296, 341, 407, 496, 556, 592, 682, 814, 1112, 1147, 1364, 1529, 1628, 2224, 2294, 2728, 3058, 3256, 4309, 4588, 5143, 5456, 6116, 6512, 8618, 9176, 10286, 12232, 12617, 17236, 18352, 20572, 24464, 25234, 34472, 41144, 47399, 50468, 56573, 68944, 82288, 94798, 100936, 113146, 159433, 189596, 201872, 226292, 318866, 379192, 452584, 637732, 758384, 905168, 1275464, 1753763, 2550928, 3507526, 7015052, 14030104, 28060208]

約数ペア:

[(1, 28060208), (2, 14030104), (4, 7015052), (8, 3507526), (11, 2550928), (16, 1753763), (22, 1275464), (31, 905168), (37, 758384), (44, 637732), (62, 452584), (74, 379192), (88, 318866), (124, 226292), (139, 201872), (148, 189596), (176, 159433), (248, 113146), (278, 100936), (296, 94798), (341, 82288), (407, 68944), (496, 56573), (556, 50468), (592, 47399), (682, 41144), (814, 34472), (1112, 25234), (1147, 24464), (1364, 20572), (1529, 18352), (1628, 17236), (2224, 12617), (2294, 12232), (2728, 10286), (3058, 9176), (3256, 8618), (4309, 6512), (4588, 6116), (5143, 5456)]