81470297776

素因数分解:

$2^4\times 7^1\times {\mathrm{23563}}^1\times {\mathrm{30871}}^1$

素因数の和:54449

約数の個数: 40

約数和(自身を含む): 180412016384

約数和(自身を除く): 98941718608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 23563, 30871, 47126, 61742, 94252, 123484, 164941, 188504, 216097, 246968, 329882, 377008, 432194, 493936, 659764, 864388, 1319528, 1728776, 2639056, 3457552, 727413373, 1454826746, 2909653492, 5091893611, 5819306984, 10183787222, 11638613968, 20367574444, 40735148888, 81470297776]

約数ペア:

[(1, 81470297776), (2, 40735148888), (4, 20367574444), (7, 11638613968), (8, 10183787222), (14, 5819306984), (16, 5091893611), (28, 2909653492), (56, 1454826746), (112, 727413373), (23563, 3457552), (30871, 2639056), (47126, 1728776), (61742, 1319528), (94252, 864388), (123484, 659764), (164941, 493936), (188504, 432194), (216097, 377008), (246968, 329882)]