78190028

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1063}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 163021824

約数和(自身を除く): 84831796

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 284, 497, 518, 994, 1036, 1063, 1988, 2126, 2627, 4252, 5254, 7441, 10508, 14882, 18389, 29764, 36778, 39331, 73556, 75473, 78662, 150946, 157324, 275317, 301892, 528311, 550634, 1056622, 1101268, 2113244, 2792501, 5585002, 11170004, 19547507, 39095014, 78190028]

約数ペア:

[(1, 78190028), (2, 39095014), (4, 19547507), (7, 11170004), (14, 5585002), (28, 2792501), (37, 2113244), (71, 1101268), (74, 1056622), (142, 550634), (148, 528311), (259, 301892), (284, 275317), (497, 157324), (518, 150946), (994, 78662), (1036, 75473), (1063, 73556), (1988, 39331), (2126, 36778), (2627, 29764), (4252, 18389), (5254, 14882), (7441, 10508)]