218312930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{27953}}^1$

素因数の和:28042

約数の個数: 32

約数和(自身を含む): 434740608

約数和(自身を除く): 216427678

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 27953, 55906, 139765, 279530, 307483, 614966, 1537415, 1984663, 3074830, 3969326, 9923315, 19846630, 21831293, 43662586, 109156465, 218312930]

約数ペア:

[(1, 218312930), (2, 109156465), (5, 43662586), (10, 21831293), (11, 19846630), (22, 9923315), (55, 3969326), (71, 3074830), (110, 1984663), (142, 1537415), (355, 614966), (710, 307483), (781, 279530), (1562, 139765), (3905, 55906), (7810, 27953)]