66998516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{2473}}^1$

素因数の和:3011

約数の個数: 24

約数和(自身を含む): 126559944

約数和(自身を除く): 59561428

約数列:

[1, 2, 4, 13, 26, 52, 521, 1042, 2084, 2473, 4946, 6773, 9892, 13546, 27092, 32149, 64298, 128596, 1288433, 2576866, 5153732, 16749629, 33499258, 66998516]

約数ペア:

[(1, 66998516), (2, 33499258), (4, 16749629), (13, 5153732), (26, 2576866), (52, 1288433), (521, 128596), (1042, 64298), (2084, 32149), (2473, 27092), (4946, 13546), (6773, 9892)]