211261342

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 356590080

約数和(自身を除く): 145328738

約数列:

[1, 2, 19, 31, 37, 38, 62, 74, 131, 262, 589, 703, 1147, 1178, 1369, 1406, 2294, 2489, 2738, 4061, 4847, 4978, 8122, 9694, 21793, 26011, 42439, 43586, 52022, 77159, 84878, 92093, 150257, 154318, 179339, 184186, 300514, 358678, 806341, 1612682, 2854883, 3407441, 5559509, 5709766, 6814882, 11119018, 105630671, 211261342]

約数ペア:

[(1, 211261342), (2, 105630671), (19, 11119018), (31, 6814882), (37, 5709766), (38, 5559509), (62, 3407441), (74, 2854883), (131, 1612682), (262, 806341), (589, 358678), (703, 300514), (1147, 184186), (1178, 179339), (1369, 154318), (1406, 150257), (2294, 92093), (2489, 84878), (2738, 77159), (4061, 52022), (4847, 43586), (4978, 42439), (8122, 26011), (9694, 21793)]