211566908

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{7879}}^1$

素因数の和:8034

約数の個数: 36

約数和(自身を含む): 433888560

約数和(自身を除く): 222321652

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 959, 1918, 3836, 6713, 7879, 13426, 15758, 26852, 31516, 55153, 110306, 220612, 386071, 772142, 1079423, 1544284, 2158846, 4317692, 7555961, 15111922, 30223844, 52891727, 105783454, 211566908]

約数ペア:

[(1, 211566908), (2, 105783454), (4, 52891727), (7, 30223844), (14, 15111922), (28, 7555961), (49, 4317692), (98, 2158846), (137, 1544284), (196, 1079423), (274, 772142), (548, 386071), (959, 220612), (1918, 110306), (3836, 55153), (6713, 31516), (7879, 26852), (13426, 15758)]