251071358

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2789}}^1$

素因数の和:2936

約数の個数: 32

約数和(自身を含む): 417830400

約数和(自身を除く): 166759042

約数列:

[1, 2, 19, 23, 38, 46, 103, 206, 437, 874, 1957, 2369, 2789, 3914, 4738, 5578, 45011, 52991, 64147, 90022, 105982, 128294, 287267, 574534, 1218793, 2437586, 5458073, 6607141, 10916146, 13214282, 125535679, 251071358]

約数ペア:

[(1, 251071358), (2, 125535679), (19, 13214282), (23, 10916146), (38, 6607141), (46, 5458073), (103, 2437586), (206, 1218793), (437, 574534), (874, 287267), (1957, 128294), (2369, 105982), (2789, 90022), (3914, 64147), (4738, 52991), (5578, 45011)]