81887986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{35327}}^1$

素因数の和:35409

約数の個数: 16

約数和(自身を含む): 131420160

約数和(自身を除く): 49532174

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 35327, 70654, 671213, 1342426, 2154947, 4309894, 40943993, 81887986]

約数ペア:

[(1, 81887986), (2, 40943993), (19, 4309894), (38, 2154947), (61, 1342426), (122, 671213), (1159, 70654), (2318, 35327)]