12971984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:699

約数の個数: 40

約数和(自身を含む): 26873280

約数和(自身を除く): 13901296

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 601, 1136, 1202, 1349, 2404, 2698, 4808, 5396, 9616, 10792, 11419, 21584, 22838, 42671, 45676, 85342, 91352, 170684, 182704, 341368, 682736, 810749, 1621498, 3242996, 6485992, 12971984]

約数ペア:

[(1, 12971984), (2, 6485992), (4, 3242996), (8, 1621498), (16, 810749), (19, 682736), (38, 341368), (71, 182704), (76, 170684), (142, 91352), (152, 85342), (284, 45676), (304, 42671), (568, 22838), (601, 21584), (1136, 11419), (1202, 10792), (1349, 9616), (2404, 5396), (2698, 4808)]