390972118

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{20089}}^1$

素因数の和:20391

約数の個数: 16

約数和(自身を含む): 604628640

約数和(自身を除く): 213656522

約数列:

[1, 2, 37, 74, 263, 526, 9731, 19462, 20089, 40178, 743293, 1486586, 5283407, 10566814, 195486059, 390972118]

約数ペア:

[(1, 390972118), (2, 195486059), (37, 10566814), (74, 5283407), (263, 1486586), (526, 743293), (9731, 40178), (19462, 20089)]