15703172390

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2442173}}^1$

素因数の和:2442823

約数の個数: 16

約数和(自身を含む): 28309681008

約数和(自身を除く): 12606508618

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 2442173, 4884346, 12210865, 24421730, 1570317239, 3140634478, 7851586195, 15703172390]

約数ペア:

[(1, 15703172390), (2, 7851586195), (5, 3140634478), (10, 1570317239), (643, 24421730), (1286, 12210865), (3215, 4884346), (6430, 2442173)]