81917626

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{563}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 148354560

約数和(自身を除く): 66436934

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 547, 563, 1094, 1126, 3829, 3941, 7658, 7882, 10393, 10697, 20786, 21394, 72751, 74879, 145502, 149758, 307961, 615922, 2155727, 4311454, 5851259, 11702518, 40958813, 81917626]

約数ペア:

[(1, 81917626), (2, 40958813), (7, 11702518), (14, 5851259), (19, 4311454), (38, 2155727), (133, 615922), (266, 307961), (547, 149758), (563, 145502), (1094, 74879), (1126, 72751), (3829, 21394), (3941, 20786), (7658, 10697), (7882, 10393)]