1399685

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 2031480

約数和(自身を除く): 631795

約数列:

[1, 5, 7, 29, 35, 49, 145, 197, 203, 245, 985, 1015, 1379, 1421, 5713, 6895, 7105, 9653, 28565, 39991, 48265, 199955, 279937, 1399685]

約数ペア:

[(1, 1399685), (5, 279937), (7, 199955), (29, 48265), (35, 39991), (49, 28565), (145, 9653), (197, 7105), (203, 6895), (245, 5713), (985, 1421), (1015, 1379)]