127780415

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 199065600

約数和(自身を除く): 71285185

約数列:

[1, 5, 7, 17, 19, 35, 85, 89, 95, 119, 127, 133, 323, 445, 595, 623, 635, 665, 889, 1513, 1615, 1691, 2159, 2261, 2413, 3115, 4445, 7565, 8455, 10591, 10795, 11303, 11305, 11837, 12065, 15113, 16891, 28747, 41021, 52955, 56515, 59185, 75565, 79121, 84455, 143735, 192151, 201229, 205105, 214757, 287147, 395605, 960755, 1006145, 1073785, 1345057, 1435735, 1503299, 3650869, 6725285, 7516495, 18254345, 25556083, 127780415]

約数ペア:

[(1, 127780415), (5, 25556083), (7, 18254345), (17, 7516495), (19, 6725285), (35, 3650869), (85, 1503299), (89, 1435735), (95, 1345057), (119, 1073785), (127, 1006145), (133, 960755), (323, 395605), (445, 287147), (595, 214757), (623, 205105), (635, 201229), (665, 192151), (889, 143735), (1513, 84455), (1615, 79121), (1691, 75565), (2159, 59185), (2261, 56515), (2413, 52955), (3115, 41021), (4445, 28747), (7565, 16891), (8455, 15113), (10591, 12065), (10795, 11837), (11303, 11305)]