890504915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{569}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 1155686400

約数和(自身を除く): 265181485

約数列:

[1, 5, 23, 31, 115, 155, 439, 569, 713, 2195, 2845, 3565, 10097, 13087, 13609, 17639, 50485, 65435, 68045, 88195, 249791, 313007, 405697, 1248955, 1565035, 2028485, 5745193, 7743521, 28725965, 38717605, 178100983, 890504915]

約数ペア:

[(1, 890504915), (5, 178100983), (23, 38717605), (31, 28725965), (115, 7743521), (155, 5745193), (439, 2028485), (569, 1565035), (713, 1248955), (2195, 405697), (2845, 313007), (3565, 249791), (10097, 88195), (13087, 68045), (13609, 65435), (17639, 50485)]