643331344

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{56393}}^1$

素因数の和:56455

約数の個数: 40

約数和(自身を含む): 1342628352

約数和(自身を除く): 699297008

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 2852, 5704, 11408, 56393, 112786, 225572, 451144, 902288, 1297039, 1748183, 2594078, 3496366, 5188156, 6992732, 10376312, 13985464, 20752624, 27970928, 40208209, 80416418, 160832836, 321665672, 643331344]

約数ペア:

[(1, 643331344), (2, 321665672), (4, 160832836), (8, 80416418), (16, 40208209), (23, 27970928), (31, 20752624), (46, 13985464), (62, 10376312), (92, 6992732), (124, 5188156), (184, 3496366), (248, 2594078), (368, 1748183), (496, 1297039), (713, 902288), (1426, 451144), (2852, 225572), (5704, 112786), (11408, 56393)]