31781738068

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{27492853}}^1$

素因数の和:27492891

約数の個数: 18

約数和(自身を含む): 59082143246

約数和(自身を除く): 27300405178

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 27492853, 54985706, 109971412, 467378501, 934757002, 1869514004, 7945434517, 15890869034, 31781738068]

約数ペア:

[(1, 31781738068), (2, 15890869034), (4, 7945434517), (17, 1869514004), (34, 934757002), (68, 467378501), (289, 109971412), (578, 54985706), (1156, 27492853)]