82771990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 176546304

約数和(自身を除く): 93774314

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 107, 214, 215, 257, 301, 430, 514, 535, 602, 749, 1070, 1285, 1498, 1505, 1799, 2570, 3010, 3598, 3745, 4601, 7490, 8995, 9202, 11051, 17990, 22102, 23005, 27499, 32207, 46010, 54998, 55255, 64414, 77357, 110510, 137495, 154714, 161035, 192493, 274990, 322070, 384986, 386785, 773570, 962465, 1182457, 1924930, 2364914, 5912285, 8277199, 11824570, 16554398, 41385995, 82771990]

約数ペア:

[(1, 82771990), (2, 41385995), (5, 16554398), (7, 11824570), (10, 8277199), (14, 5912285), (35, 2364914), (43, 1924930), (70, 1182457), (86, 962465), (107, 773570), (214, 386785), (215, 384986), (257, 322070), (301, 274990), (430, 192493), (514, 161035), (535, 154714), (602, 137495), (749, 110510), (1070, 77357), (1285, 64414), (1498, 55255), (1505, 54998), (1799, 46010), (2570, 32207), (3010, 27499), (3598, 23005), (3745, 22102), (4601, 17990), (7490, 11051), (8995, 9202)]