28973516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^3$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 61222560

約数和(自身を除く): 32249044

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 814, 962, 1369, 1628, 1924, 2738, 5291, 5476, 10582, 15059, 17797, 21164, 30118, 35594, 50653, 60236, 71188, 101306, 195767, 202612, 391534, 557183, 658489, 783068, 1114366, 1316978, 2228732, 2633956, 7243379, 14486758, 28973516]

約数ペア:

[(1, 28973516), (2, 14486758), (4, 7243379), (11, 2633956), (13, 2228732), (22, 1316978), (26, 1114366), (37, 783068), (44, 658489), (52, 557183), (74, 391534), (143, 202612), (148, 195767), (286, 101306), (407, 71188), (481, 60236), (572, 50653), (814, 35594), (962, 30118), (1369, 21164), (1628, 17797), (1924, 15059), (2738, 10582), (5291, 5476)]