28704458

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{1231}}^1$

素因数の和:1453

約数の個数: 16

約数和(自身を含む): 43908480

約数和(自身を除く): 15204022

約数列:

[1, 2, 89, 131, 178, 262, 1231, 2462, 11659, 23318, 109559, 161261, 219118, 322522, 14352229, 28704458]

約数ペア:

[(1, 28704458), (2, 14352229), (89, 322522), (131, 219118), (178, 161261), (262, 109559), (1231, 23318), (2462, 11659)]