66682408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{991}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 134991360

約数和(自身を除く): 68308952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 647, 991, 1294, 1982, 2588, 3964, 5176, 7928, 8411, 12883, 16822, 25766, 33644, 51532, 67288, 103064, 641177, 1282354, 2564708, 5129416, 8335301, 16670602, 33341204, 66682408]

約数ペア:

[(1, 66682408), (2, 33341204), (4, 16670602), (8, 8335301), (13, 5129416), (26, 2564708), (52, 1282354), (104, 641177), (647, 103064), (991, 67288), (1294, 51532), (1982, 33644), (2588, 25766), (3964, 16822), (5176, 12883), (7928, 8411)]