221346503

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{9227}}^1$

素因数の和:9406

約数の個数: 16

約数和(自身を含む): 265766400

約数和(自身を除く): 44419897

約数列:

[1, 7, 23, 149, 161, 1043, 3427, 9227, 23989, 64589, 212221, 1374823, 1485547, 9623761, 31620929, 221346503]

約数ペア:

[(1, 221346503), (7, 31620929), (23, 9623761), (149, 1485547), (161, 1374823), (1043, 212221), (3427, 64589), (9227, 23989)]