25478512

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2065

約数の個数: 40

約数和(自身を含む): 53407296

約数和(自身を除く): 27928784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1598, 1993, 3196, 3986, 6392, 7972, 12784, 15944, 31888, 33881, 67762, 93671, 135524, 187342, 271048, 374684, 542096, 749368, 1498736, 1592407, 3184814, 6369628, 12739256, 25478512]

約数ペア:

[(1, 25478512), (2, 12739256), (4, 6369628), (8, 3184814), (16, 1592407), (17, 1498736), (34, 749368), (47, 542096), (68, 374684), (94, 271048), (136, 187342), (188, 135524), (272, 93671), (376, 67762), (752, 33881), (799, 31888), (1598, 15944), (1993, 12784), (3196, 7972), (3986, 6392)]