81781674

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{15649}}^1$

素因数の和:15734

約数の個数: 32

約数和(自身を含む): 178785600

約数和(自身を除く): 97003926

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 15649, 31298, 46947, 93894, 203437, 406874, 610311, 1048483, 1220622, 2096966, 3145449, 6290898, 13630279, 27260558, 40890837, 81781674]

約数ペア:

[(1, 81781674), (2, 40890837), (3, 27260558), (6, 13630279), (13, 6290898), (26, 3145449), (39, 2096966), (67, 1220622), (78, 1048483), (134, 610311), (201, 406874), (402, 203437), (871, 93894), (1742, 46947), (2613, 31298), (5226, 15649)]