218656430

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{1303}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 400244544

約数和(自身を除く): 181588114

約数列:

[1, 2, 5, 10, 97, 173, 194, 346, 485, 865, 970, 1303, 1730, 2606, 6515, 13030, 16781, 33562, 83905, 126391, 167810, 225419, 252782, 450838, 631955, 1127095, 1263910, 2254190, 21865643, 43731286, 109328215, 218656430]

約数ペア:

[(1, 218656430), (2, 109328215), (5, 43731286), (10, 21865643), (97, 2254190), (173, 1263910), (194, 1127095), (346, 631955), (485, 450838), (865, 252782), (970, 225419), (1303, 167810), (1730, 126391), (2606, 83905), (6515, 33562), (13030, 16781)]