788149115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{2161}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 1057684992

約数和(自身を除く): 269535877

約数列:

[1, 5, 13, 31, 65, 155, 181, 403, 905, 2015, 2161, 2353, 5611, 10805, 11765, 28055, 28093, 66991, 72943, 140465, 334955, 364715, 391141, 870883, 1955705, 4354415, 5084833, 12125371, 25424165, 60626855, 157629823, 788149115]

約数ペア:

[(1, 788149115), (5, 157629823), (13, 60626855), (31, 25424165), (65, 12125371), (155, 5084833), (181, 4354415), (403, 1955705), (905, 870883), (2015, 391141), (2161, 364715), (2353, 334955), (5611, 140465), (10805, 72943), (11765, 66991), (28055, 28093)]