25205362

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 25355918

約数列:

[1, 2, 7, 13, 14, 19, 26, 37, 38, 74, 91, 133, 182, 197, 247, 259, 266, 394, 481, 494, 518, 703, 962, 1379, 1406, 1729, 2561, 2758, 3367, 3458, 3743, 4921, 5122, 6734, 7289, 7486, 9139, 9842, 14578, 17927, 18278, 26201, 35854, 48659, 51023, 52402, 63973, 94757, 97318, 102046, 127946, 138491, 189514, 276982, 340613, 663299, 681226, 969437, 1326598, 1800383, 1938874, 3600766, 12602681, 25205362]

約数ペア:

[(1, 25205362), (2, 12602681), (7, 3600766), (13, 1938874), (14, 1800383), (19, 1326598), (26, 969437), (37, 681226), (38, 663299), (74, 340613), (91, 276982), (133, 189514), (182, 138491), (197, 127946), (247, 102046), (259, 97318), (266, 94757), (394, 63973), (481, 52402), (494, 51023), (518, 48659), (703, 35854), (962, 26201), (1379, 18278), (1406, 17927), (1729, 14578), (2561, 9842), (2758, 9139), (3367, 7486), (3458, 7289), (3743, 6734), (4921, 5122)]