664943615

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{7243}}^1$

素因数の和:7359

約数の個数: 32

約数和(自身を含む): 948558336

約数和(自身を除く): 283614721

約数列:

[1, 5, 7, 35, 43, 61, 215, 301, 305, 427, 1505, 2135, 2623, 7243, 13115, 18361, 36215, 50701, 91805, 253505, 311449, 441823, 1557245, 2180143, 2209115, 3092761, 10900715, 15463805, 18998389, 94991945, 132988723, 664943615]

約数ペア:

[(1, 664943615), (5, 132988723), (7, 94991945), (35, 18998389), (43, 15463805), (61, 10900715), (215, 3092761), (301, 2209115), (305, 2180143), (427, 1557245), (1505, 441823), (2135, 311449), (2623, 253505), (7243, 91805), (13115, 50701), (18361, 36215)]