258686065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 350697600

約数和(自身を除く): 92011535

約数列:

[1, 5, 11, 43, 55, 89, 215, 445, 473, 979, 1229, 2365, 3827, 4895, 6145, 13519, 19135, 42097, 52847, 67595, 109381, 210485, 264235, 546905, 581317, 1203191, 2906585, 4703383, 6015955, 23516915, 51737213, 258686065]

約数ペア:

[(1, 258686065), (5, 51737213), (11, 23516915), (43, 6015955), (55, 4703383), (89, 2906585), (215, 1203191), (445, 581317), (473, 546905), (979, 264235), (1229, 210485), (2365, 109381), (3827, 67595), (4895, 52847), (6145, 42097), (13519, 19135)]