81722758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2473}}^1$

素因数の和:2560

約数の個数: 32

約数和(自身を含む): 139652352

約数和(自身を除く): 57929594

約数列:

[1, 2, 13, 26, 31, 41, 62, 82, 403, 533, 806, 1066, 1271, 2473, 2542, 4946, 16523, 32149, 33046, 64298, 76663, 101393, 153326, 202786, 996619, 1318109, 1993238, 2636218, 3143183, 6286366, 40861379, 81722758]

約数ペア:

[(1, 81722758), (2, 40861379), (13, 6286366), (26, 3143183), (31, 2636218), (41, 1993238), (62, 1318109), (82, 996619), (403, 202786), (533, 153326), (806, 101393), (1066, 76663), (1271, 64298), (2473, 33046), (2542, 32149), (4946, 16523)]