12997738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 21908880

約数和(自身を除く): 8911142

約数列:

[1, 2, 13, 26, 41, 82, 89, 137, 178, 274, 533, 1066, 1157, 1781, 2314, 3562, 3649, 5617, 7298, 11234, 12193, 24386, 47437, 73021, 94874, 146042, 158509, 317018, 499913, 999826, 6498869, 12997738]

約数ペア:

[(1, 12997738), (2, 6498869), (13, 999826), (26, 499913), (41, 317018), (82, 158509), (89, 146042), (137, 94874), (178, 73021), (274, 47437), (533, 24386), (1066, 12193), (1157, 11234), (1781, 7298), (2314, 5617), (3562, 3649)]