25088812

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 52510528

約数和(自身を除く): 27421716

約数列:

[1, 2, 4, 7, 14, 28, 37, 61, 74, 122, 148, 244, 259, 397, 427, 518, 794, 854, 1036, 1588, 1708, 2257, 2779, 4514, 5558, 9028, 11116, 14689, 15799, 24217, 29378, 31598, 48434, 58756, 63196, 96868, 102823, 169519, 205646, 339038, 411292, 678076, 896029, 1792058, 3584116, 6272203, 12544406, 25088812]

約数ペア:

[(1, 25088812), (2, 12544406), (4, 6272203), (7, 3584116), (14, 1792058), (28, 896029), (37, 678076), (61, 411292), (74, 339038), (122, 205646), (148, 169519), (244, 102823), (259, 96868), (397, 63196), (427, 58756), (518, 48434), (794, 31598), (854, 29378), (1036, 24217), (1588, 15799), (1708, 14689), (2257, 11116), (2779, 9028), (4514, 5558)]