81871342

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{7507}}^1$

素因数の和:7576

約数の個数: 32

約数和(自身を含む): 151361280

約数和(自身を除く): 69489938

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 7507, 10906, 15014, 52549, 105098, 142633, 285266, 307787, 615574, 998431, 1996862, 2154509, 4309018, 5847953, 11695906, 40935671, 81871342]

約数ペア:

[(1, 81871342), (2, 40935671), (7, 11695906), (14, 5847953), (19, 4309018), (38, 2154509), (41, 1996862), (82, 998431), (133, 615574), (266, 307787), (287, 285266), (574, 142633), (779, 105098), (1558, 52549), (5453, 15014), (7507, 10906)]