81900665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 125483904

約数和(自身を除く): 43583239

約数列:

[1, 5, 7, 11, 35, 55, 77, 83, 121, 233, 385, 415, 581, 605, 847, 913, 1165, 1631, 2563, 2905, 4235, 4565, 6391, 8155, 10043, 12815, 17941, 19339, 28193, 31955, 50215, 70301, 89705, 96695, 135373, 140965, 197351, 212729, 351505, 676865, 986755, 1063645, 1489103, 2340019, 7445515, 11700095, 16380133, 81900665]

約数ペア:

[(1, 81900665), (5, 16380133), (7, 11700095), (11, 7445515), (35, 2340019), (55, 1489103), (77, 1063645), (83, 986755), (121, 676865), (233, 351505), (385, 212729), (415, 197351), (581, 140965), (605, 135373), (847, 96695), (913, 89705), (1165, 70301), (1631, 50215), (2563, 31955), (2905, 28193), (4235, 19339), (4565, 17941), (6391, 12815), (8155, 10043)]