81403138

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{3491}}^1$

素因数の和:3713

約数の個数: 16

約数和(自身を含む): 124454880

約数和(自身を除く): 43051742

約数列:

[1, 2, 89, 131, 178, 262, 3491, 6982, 11659, 23318, 310699, 457321, 621398, 914642, 40701569, 81403138]

約数ペア:

[(1, 81403138), (2, 40701569), (89, 914642), (131, 621398), (178, 457321), (262, 310699), (3491, 23318), (6982, 11659)]