83684690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 154995120

約数和(自身を除く): 71310430

約数列:

[1, 2, 5, 10, 41, 82, 205, 401, 410, 509, 802, 1018, 2005, 2545, 4010, 5090, 16441, 20869, 32882, 41738, 82205, 104345, 164410, 204109, 208690, 408218, 1020545, 2041090, 8368469, 16736938, 41842345, 83684690]

約数ペア:

[(1, 83684690), (2, 41842345), (5, 16736938), (10, 8368469), (41, 2041090), (82, 1020545), (205, 408218), (401, 208690), (410, 204109), (509, 164410), (802, 104345), (1018, 82205), (2005, 41738), (2545, 32882), (4010, 20869), (5090, 16441)]