81147364

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 153369216

約数和(自身を除く): 72221852

約数列:

[1, 2, 4, 37, 41, 43, 74, 82, 86, 148, 164, 172, 311, 622, 1244, 1517, 1591, 1763, 3034, 3182, 3526, 6068, 6364, 7052, 11507, 12751, 13373, 23014, 25502, 26746, 46028, 51004, 53492, 65231, 130462, 260924, 471787, 494801, 548293, 943574, 989602, 1096586, 1887148, 1979204, 2193172, 20286841, 40573682, 81147364]

約数ペア:

[(1, 81147364), (2, 40573682), (4, 20286841), (37, 2193172), (41, 1979204), (43, 1887148), (74, 1096586), (82, 989602), (86, 943574), (148, 548293), (164, 494801), (172, 471787), (311, 260924), (622, 130462), (1244, 65231), (1517, 53492), (1591, 51004), (1763, 46028), (3034, 26746), (3182, 25502), (3526, 23014), (6068, 13373), (6364, 12751), (7052, 11507)]