64919005190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2903}}^1\times {\mathrm{172021}}^1$

素因数の和:174944

約数の個数: 32

約数和(自身を含む): 125887075776

約数和(自身を除く): 60968070586

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2903, 5806, 14515, 29030, 37739, 75478, 172021, 188695, 344042, 377390, 860105, 1720210, 2236273, 4472546, 11181365, 22362730, 499376963, 998753926, 2496884815, 4993769630, 6491900519, 12983801038, 32459502595, 64919005190]

約数ペア:

[(1, 64919005190), (2, 32459502595), (5, 12983801038), (10, 6491900519), (13, 4993769630), (26, 2496884815), (65, 998753926), (130, 499376963), (2903, 22362730), (5806, 11181365), (14515, 4472546), (29030, 2236273), (37739, 1720210), (75478, 860105), (172021, 377390), (188695, 344042)]