80218138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2407

約数の個数: 64

約数和(自身を含む): 171134208

約数和(自身を除く): 90916070

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 77, 91, 119, 143, 154, 182, 187, 221, 238, 286, 374, 442, 1001, 1309, 1547, 2002, 2357, 2431, 2618, 3094, 4714, 4862, 16499, 17017, 25927, 30641, 32998, 34034, 40069, 51854, 61282, 80138, 181489, 214487, 280483, 337051, 362978, 428974, 440759, 520897, 560966, 674102, 881518, 1041794, 2359357, 3085313, 3646279, 4718714, 5729867, 6170626, 7292558, 11459734, 40109069, 80218138]

約数ペア:

[(1, 80218138), (2, 40109069), (7, 11459734), (11, 7292558), (13, 6170626), (14, 5729867), (17, 4718714), (22, 3646279), (26, 3085313), (34, 2359357), (77, 1041794), (91, 881518), (119, 674102), (143, 560966), (154, 520897), (182, 440759), (187, 428974), (221, 362978), (238, 337051), (286, 280483), (374, 214487), (442, 181489), (1001, 80138), (1309, 61282), (1547, 51854), (2002, 40069), (2357, 34034), (2431, 32998), (2618, 30641), (3094, 25927), (4714, 17017), (4862, 16499)]