1261327984

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{105251}}^1$

素因数の和:105373

約数の個数: 40

約数和(自身を含む): 2819069568

約数和(自身を除く): 1557741584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 2996, 5992, 11984, 105251, 210502, 421004, 736757, 842008, 1473514, 1684016, 2947028, 5894056, 11261857, 11788112, 22523714, 45047428, 78832999, 90094856, 157665998, 180189712, 315331996, 630663992, 1261327984]

約数ペア:

[(1, 1261327984), (2, 630663992), (4, 315331996), (7, 180189712), (8, 157665998), (14, 90094856), (16, 78832999), (28, 45047428), (56, 22523714), (107, 11788112), (112, 11261857), (214, 5894056), (428, 2947028), (749, 1684016), (856, 1473514), (1498, 842008), (1712, 736757), (2996, 421004), (5992, 210502), (11984, 105251)]