81960034

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 140132160

約数和(自身を除く): 58172126

約数列:

[1, 2, 13, 19, 26, 38, 247, 251, 494, 502, 661, 1322, 3263, 4769, 6526, 8593, 9538, 12559, 17186, 25118, 61997, 123994, 163267, 165911, 326534, 331822, 2156843, 3152309, 4313686, 6304618, 40980017, 81960034]

約数ペア:

[(1, 81960034), (2, 40980017), (13, 6304618), (19, 4313686), (26, 3152309), (38, 2156843), (247, 331822), (251, 326534), (494, 165911), (502, 163267), (661, 123994), (1322, 61997), (3263, 25118), (4769, 17186), (6526, 12559), (8593, 9538)]