78881605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 108822528

約数和(自身を除く): 29940923

約数列:

[1, 5, 11, 23, 55, 115, 127, 253, 491, 635, 1265, 1397, 2455, 2921, 5401, 6985, 11293, 14605, 27005, 32131, 56465, 62357, 124223, 160655, 311785, 621115, 685927, 1434211, 3429635, 7171055, 15776321, 78881605]

約数ペア:

[(1, 78881605), (5, 15776321), (11, 7171055), (23, 3429635), (55, 1434211), (115, 685927), (127, 621115), (253, 311785), (491, 160655), (635, 124223), (1265, 62357), (1397, 56465), (2455, 32131), (2921, 27005), (5401, 14605), (6985, 11293)]