421198195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{8999}}^1$

素因数の和:9075

約数の個数: 32

約数和(自身を含む): 590976000

約数和(自身を除く): 169777805

約数列:

[1, 5, 11, 23, 37, 55, 115, 185, 253, 407, 851, 1265, 2035, 4255, 8999, 9361, 44995, 46805, 98989, 206977, 332963, 494945, 1034885, 1664815, 2276747, 3662593, 7658149, 11383735, 18312965, 38290745, 84239639, 421198195]

約数ペア:

[(1, 421198195), (5, 84239639), (11, 38290745), (23, 18312965), (37, 11383735), (55, 7658149), (115, 3662593), (185, 2276747), (253, 1664815), (407, 1034885), (851, 494945), (1265, 332963), (2035, 206977), (4255, 98989), (8999, 46805), (9361, 44995)]