25671044

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 27954556

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 284, 349, 497, 518, 698, 994, 1036, 1396, 1988, 2443, 2627, 4886, 5254, 9772, 10508, 12913, 18389, 24779, 25826, 36778, 49558, 51652, 73556, 90391, 99116, 173453, 180782, 346906, 361564, 693812, 916823, 1833646, 3667292, 6417761, 12835522, 25671044]

約数ペア:

[(1, 25671044), (2, 12835522), (4, 6417761), (7, 3667292), (14, 1833646), (28, 916823), (37, 693812), (71, 361564), (74, 346906), (142, 180782), (148, 173453), (259, 99116), (284, 90391), (349, 73556), (497, 51652), (518, 49558), (698, 36778), (994, 25826), (1036, 24779), (1396, 18389), (1988, 12913), (2443, 10508), (2627, 9772), (4886, 5254)]