25027688

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 56471040

約数和(自身を除く): 31443352

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 47, 56, 74, 94, 148, 188, 257, 259, 296, 329, 376, 514, 518, 658, 1028, 1036, 1316, 1739, 1799, 2056, 2072, 2632, 3478, 3598, 6956, 7196, 9509, 12079, 12173, 13912, 14392, 19018, 24158, 24346, 38036, 48316, 48692, 66563, 76072, 84553, 96632, 97384, 133126, 169106, 266252, 338212, 446923, 532504, 676424, 893846, 1787692, 3128461, 3575384, 6256922, 12513844, 25027688]

約数ペア:

[(1, 25027688), (2, 12513844), (4, 6256922), (7, 3575384), (8, 3128461), (14, 1787692), (28, 893846), (37, 676424), (47, 532504), (56, 446923), (74, 338212), (94, 266252), (148, 169106), (188, 133126), (257, 97384), (259, 96632), (296, 84553), (329, 76072), (376, 66563), (514, 48692), (518, 48316), (658, 38036), (1028, 24346), (1036, 24158), (1316, 19018), (1739, 14392), (1799, 13912), (2056, 12173), (2072, 12079), (2632, 9509), (3478, 7196), (3598, 6956)]