1640342018

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1\times {\mathrm{1931}}^1$

素因数の和:3278

約数の個数: 32

約数和(自身を含む): 2875557888

約数和(自身を除く): 1235215870

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 1291, 1931, 2582, 3862, 9037, 13517, 18074, 27034, 60677, 90757, 121354, 181514, 424739, 635299, 849478, 1270598, 2492921, 4985842, 17450447, 34900894, 117167287, 234334574, 820171009, 1640342018]

約数ペア:

[(1, 1640342018), (2, 820171009), (7, 234334574), (14, 117167287), (47, 34900894), (94, 17450447), (329, 4985842), (658, 2492921), (1291, 1270598), (1931, 849478), (2582, 635299), (3862, 424739), (9037, 181514), (13517, 121354), (18074, 90757), (27034, 60677)]