25499728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 52664040

約数和(自身を除く): 27164312

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 241, 272, 389, 482, 778, 964, 1556, 1928, 3112, 3856, 4097, 6224, 6613, 8194, 13226, 16388, 26452, 32776, 52904, 65552, 93749, 105808, 187498, 374996, 749992, 1499984, 1593733, 3187466, 6374932, 12749864, 25499728]

約数ペア:

[(1, 25499728), (2, 12749864), (4, 6374932), (8, 3187466), (16, 1593733), (17, 1499984), (34, 749992), (68, 374996), (136, 187498), (241, 105808), (272, 93749), (389, 65552), (482, 52904), (778, 32776), (964, 26452), (1556, 16388), (1928, 13226), (3112, 8194), (3856, 6613), (4097, 6224)]