81198715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73483}}^1$

素因数の和:73518

約数の個数: 16

約数和(自身を含む): 111107808

約数和(自身を除く): 29909093

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 73483, 367415, 955279, 1249211, 4776395, 6246055, 16239743, 81198715]

約数ペア:

[(1, 81198715), (5, 16239743), (13, 6246055), (17, 4776395), (65, 1249211), (85, 955279), (221, 367415), (1105, 73483)]