71182265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 115568640

約数和(自身を除く): 44386375

約数列:

[1, 5, 7, 11, 19, 35, 37, 55, 77, 95, 133, 185, 209, 259, 263, 385, 407, 665, 703, 1045, 1295, 1315, 1463, 1841, 2035, 2849, 2893, 3515, 4921, 4997, 7315, 7733, 9205, 9731, 14245, 14465, 20251, 24605, 24985, 34979, 38665, 48655, 54131, 54967, 68117, 101255, 107041, 174895, 184889, 270655, 274835, 340585, 384769, 535205, 749287, 924445, 1294223, 1923845, 2033779, 3746435, 6471115, 10168895, 14236453, 71182265]

約数ペア:

[(1, 71182265), (5, 14236453), (7, 10168895), (11, 6471115), (19, 3746435), (35, 2033779), (37, 1923845), (55, 1294223), (77, 924445), (95, 749287), (133, 535205), (185, 384769), (209, 340585), (259, 274835), (263, 270655), (385, 184889), (407, 174895), (665, 107041), (703, 101255), (1045, 68117), (1295, 54967), (1315, 54131), (1463, 48655), (1841, 38665), (2035, 34979), (2849, 24985), (2893, 24605), (3515, 20251), (4921, 14465), (4997, 14245), (7315, 9731), (7733, 9205)]