65434390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21739}}^1$

素因数の和:21796

約数の個数: 32

約数和(自身を含む): 137744640

約数和(自身を除く): 72310250

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 21739, 43478, 108695, 152173, 217390, 304346, 760865, 934777, 1521730, 1869554, 4673885, 6543439, 9347770, 13086878, 32717195, 65434390]

約数ペア:

[(1, 65434390), (2, 32717195), (5, 13086878), (7, 9347770), (10, 6543439), (14, 4673885), (35, 1869554), (43, 1521730), (70, 934777), (86, 760865), (215, 304346), (301, 217390), (430, 152173), (602, 108695), (1505, 43478), (3010, 21739)]