128216664568

素因数分解:

$2^3\times {\mathrm{823}}^1\times {\mathrm{1039}}^1\times {\mathrm{18743}}^1$

素因数の和:20611

約数の個数: 32

約数和(自身を含む): 240942873600

約数和(自身を除く): 112726209032

約数列:

[1, 2, 4, 8, 823, 1039, 1646, 2078, 3292, 4156, 6584, 8312, 18743, 37486, 74972, 149944, 855097, 1710194, 3420388, 6840776, 15425489, 19473977, 30850978, 38947954, 61701956, 77895908, 123403912, 155791816, 16027083071, 32054166142, 64108332284, 128216664568]

約数ペア:

[(1, 128216664568), (2, 64108332284), (4, 32054166142), (8, 16027083071), (823, 155791816), (1039, 123403912), (1646, 77895908), (2078, 61701956), (3292, 38947954), (4156, 30850978), (6584, 19473977), (8312, 15425489), (18743, 6840776), (37486, 3420388), (74972, 1710194), (149944, 855097)]