291584915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 381542400

約数和(自身を除く): 89957485

約数列:

[1, 5, 23, 31, 89, 115, 155, 445, 713, 919, 2047, 2759, 3565, 4595, 10235, 13795, 21137, 28489, 63457, 81791, 105685, 142445, 317285, 408955, 655247, 1881193, 2535521, 3276235, 9405965, 12677605, 58316983, 291584915]

約数ペア:

[(1, 291584915), (5, 58316983), (23, 12677605), (31, 9405965), (89, 3276235), (115, 2535521), (155, 1881193), (445, 655247), (713, 408955), (919, 317285), (2047, 142445), (2759, 105685), (3565, 81791), (4595, 63457), (10235, 28489), (13795, 21137)]