66138644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2760

約数の個数: 48

約数和(自身を含む): 139191360

約数和(自身を除く): 73052716

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 946, 1118, 1892, 2236, 2689, 5378, 6149, 10756, 12298, 24596, 29579, 34957, 59158, 69914, 115627, 118316, 139828, 231254, 384527, 462508, 769054, 1271897, 1503151, 1538108, 2543794, 3006302, 5087588, 6012604, 16534661, 33069322, 66138644]

約数ペア:

[(1, 66138644), (2, 33069322), (4, 16534661), (11, 6012604), (13, 5087588), (22, 3006302), (26, 2543794), (43, 1538108), (44, 1503151), (52, 1271897), (86, 769054), (143, 462508), (172, 384527), (286, 231254), (473, 139828), (559, 118316), (572, 115627), (946, 69914), (1118, 59158), (1892, 34957), (2236, 29579), (2689, 24596), (5378, 12298), (6149, 10756)]