161651256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{518113}}^1$

素因数の和:518135

約数の個数: 32

約数和(自身を含む): 435215760

約数和(自身を除く): 273564504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 518113, 1036226, 1554339, 2072452, 3108678, 4144904, 6217356, 6735469, 12434712, 13470938, 20206407, 26941876, 40412814, 53883752, 80825628, 161651256]

約数ペア:

[(1, 161651256), (2, 80825628), (3, 53883752), (4, 40412814), (6, 26941876), (8, 20206407), (12, 13470938), (13, 12434712), (24, 6735469), (26, 6217356), (39, 4144904), (52, 3108678), (78, 2072452), (104, 1554339), (156, 1036226), (312, 518113)]