221474974

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{510311}}^1$

素因数の和:510351

約数の個数: 16

約数和(自身を含む): 391919616

約数和(自身を除く): 170444642

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 510311, 1020622, 3572177, 7144354, 15819641, 31639282, 110737487, 221474974]

約数ペア:

[(1, 221474974), (2, 110737487), (7, 31639282), (14, 15819641), (31, 7144354), (62, 3572177), (217, 1020622), (434, 510311)]