218891930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{16421}}^1$

素因数の和:16502

約数の個数: 32

約数和(自身を含む): 416199168

約数和(自身を除く): 197307238

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2666, 6665, 13330, 16421, 32842, 82105, 164210, 509051, 706103, 1018102, 1412206, 2545255, 3530515, 5090510, 7061030, 21889193, 43778386, 109445965, 218891930]

約数ペア:

[(1, 218891930), (2, 109445965), (5, 43778386), (10, 21889193), (31, 7061030), (43, 5090510), (62, 3530515), (86, 2545255), (155, 1412206), (215, 1018102), (310, 706103), (430, 509051), (1333, 164210), (2666, 82105), (6665, 32842), (13330, 16421)]