285416690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{70823}}^1$

素因数の和:70874

約数の個数: 32

約数和(自身を含む): 571124736

約数和(自身を除く): 285708046

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 70823, 141646, 354115, 708230, 920699, 1841398, 2195513, 4391026, 4603495, 9206990, 10977565, 21955130, 28541669, 57083338, 142708345, 285416690]

約数ペア:

[(1, 285416690), (2, 142708345), (5, 57083338), (10, 28541669), (13, 21955130), (26, 10977565), (31, 9206990), (62, 4603495), (65, 4391026), (130, 2195513), (155, 1841398), (310, 920699), (403, 708230), (806, 354115), (2015, 141646), (4030, 70823)]