221400000070

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{81697417}}^1$

素因数の和:81697695

約数の個数: 16

約数和(自身を含む): 399990558528

約数和(自身を除く): 178590558458

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 81697417, 163394834, 408487085, 816974170, 22140000007, 44280000014, 110700000035, 221400000070]

約数ペア:

[(1, 221400000070), (2, 110700000035), (5, 44280000014), (10, 22140000007), (271, 816974170), (542, 408487085), (1355, 163394834), (2710, 81697417)]