213238556

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{251}}^1\times {\mathrm{1303}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 377241984

約数和(自身を除く): 164003428

約数列:

[1, 2, 4, 163, 251, 326, 502, 652, 1004, 1303, 2606, 5212, 40913, 81826, 163652, 212389, 327053, 424778, 654106, 849556, 1308212, 53309639, 106619278, 213238556]

約数ペア:

[(1, 213238556), (2, 106619278), (4, 53309639), (163, 1308212), (251, 849556), (326, 654106), (502, 424778), (652, 327053), (1004, 212389), (1303, 163652), (2606, 81826), (5212, 40913)]