209215152013

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{3121}}^1\times {\mathrm{64271}}^1$

素因数の和:67548

約数の個数: 16

約数和(自身を含む): 240788620800

約数和(自身を除く): 31573468787

約数列:

[1, 7, 149, 1043, 3121, 21847, 64271, 449897, 465029, 3255203, 9576379, 67034653, 200589791, 1404128537, 29887878859, 209215152013]

約数ペア:

[(1, 209215152013), (7, 29887878859), (149, 1404128537), (1043, 200589791), (3121, 67034653), (21847, 9576379), (64271, 3255203), (449897, 465029)]