15315678728

素因数分解:

$2^3\times 7^2\times {\mathrm{643}}^1\times {\mathrm{60763}}^1$

素因数の和:61426

約数の個数: 48

約数和(自身を含む): 33457873680

約数和(自身を除く): 18142194952

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 643, 1286, 2572, 4501, 5144, 9002, 18004, 31507, 36008, 60763, 63014, 121526, 126028, 243052, 252056, 425341, 486104, 850682, 1701364, 2977387, 3402728, 5954774, 11909548, 23819096, 39070609, 78141218, 156282436, 273494263, 312564872, 546988526, 1093977052, 1914459841, 2187954104, 3828919682, 7657839364, 15315678728]

約数ペア:

[(1, 15315678728), (2, 7657839364), (4, 3828919682), (7, 2187954104), (8, 1914459841), (14, 1093977052), (28, 546988526), (49, 312564872), (56, 273494263), (98, 156282436), (196, 78141218), (392, 39070609), (643, 23819096), (1286, 11909548), (2572, 5954774), (4501, 3402728), (5144, 2977387), (9002, 1701364), (18004, 850682), (31507, 486104), (36008, 425341), (60763, 252056), (63014, 243052), (121526, 126028)]