991257312

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{448939}}^1$

素因数の和:448975

約数の個数: 48

約数和(自身を含む): 2715189120

約数和(自身を除く): 1723931808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 448939, 897878, 1346817, 1795756, 2693634, 3591512, 5387268, 7183024, 10325597, 10774536, 14366048, 20651194, 21549072, 30976791, 41302388, 43098144, 61953582, 82604776, 123907164, 165209552, 247814328, 330419104, 495628656, 991257312]

約数ペア:

[(1, 991257312), (2, 495628656), (3, 330419104), (4, 247814328), (6, 165209552), (8, 123907164), (12, 82604776), (16, 61953582), (23, 43098144), (24, 41302388), (32, 30976791), (46, 21549072), (48, 20651194), (69, 14366048), (92, 10774536), (96, 10325597), (138, 7183024), (184, 5387268), (276, 3591512), (368, 2693634), (552, 1795756), (736, 1346817), (1104, 897878), (2208, 448939)]