99428945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2557}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 150287616

約数和(自身を除く): 50858671

約数列:

[1, 5, 7, 11, 35, 55, 77, 101, 385, 505, 707, 1111, 2557, 3535, 5555, 7777, 12785, 17899, 28127, 38885, 89495, 140635, 196889, 258257, 984445, 1291285, 1807799, 2840827, 9038995, 14204135, 19885789, 99428945]

約数ペア:

[(1, 99428945), (5, 19885789), (7, 14204135), (11, 9038995), (35, 2840827), (55, 1807799), (77, 1291285), (101, 984445), (385, 258257), (505, 196889), (707, 140635), (1111, 89495), (2557, 38885), (3535, 28127), (5555, 17899), (7777, 12785)]