65980616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33391}}^1$

素因数の和:33429

約数の個数: 32

約数和(自身を含む): 140246400

約数和(自身を除く): 74265784

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 33391, 66782, 133564, 267128, 434083, 634429, 868166, 1268858, 1736332, 2537716, 3472664, 5075432, 8247577, 16495154, 32990308, 65980616]

約数ペア:

[(1, 65980616), (2, 32990308), (4, 16495154), (8, 8247577), (13, 5075432), (19, 3472664), (26, 2537716), (38, 1736332), (52, 1268858), (76, 868166), (104, 634429), (152, 434083), (247, 267128), (494, 133564), (988, 66782), (1976, 33391)]