17996867735

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{631}}^1$

素因数の和:1237

約数の個数: 96

約数和(自身を含む): 28946004480

約数和(自身を除く): 10949136745

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 557, 631, 665, 931, 1045, 1463, 2695, 2785, 3155, 3899, 4417, 4655, 6127, 6941, 7315, 10241, 10583, 11989, 19495, 22085, 27293, 30635, 30919, 34705, 42889, 48587, 51205, 52915, 59945, 74081, 83923, 116413, 131879, 136465, 154595, 214445, 242935, 300223, 340109, 351467, 370405, 419615, 518567, 582065, 587461, 659395, 814891, 923153, 1501115, 1700545, 1757335, 2460269, 2592835, 2937305, 3866137, 4074455, 4615765, 5704237, 6462071, 6677873, 12301345, 17221883, 19330685, 27062959, 28521185, 32310355, 33389365, 46745111, 73456603, 86109415, 135314795, 189440713, 233725555, 327215777, 367283015, 514196221, 947203565, 1636078885, 2570981105, 3599373547, 17996867735]

約数ペア:

[(1, 17996867735), (5, 3599373547), (7, 2570981105), (11, 1636078885), (19, 947203565), (35, 514196221), (49, 367283015), (55, 327215777), (77, 233725555), (95, 189440713), (133, 135314795), (209, 86109415), (245, 73456603), (385, 46745111), (539, 33389365), (557, 32310355), (631, 28521185), (665, 27062959), (931, 19330685), (1045, 17221883), (1463, 12301345), (2695, 6677873), (2785, 6462071), (3155, 5704237), (3899, 4615765), (4417, 4074455), (4655, 3866137), (6127, 2937305), (6941, 2592835), (7315, 2460269), (10241, 1757335), (10583, 1700545), (11989, 1501115), (19495, 923153), (22085, 814891), (27293, 659395), (30635, 587461), (30919, 582065), (34705, 518567), (42889, 419615), (48587, 370405), (51205, 351467), (52915, 340109), (59945, 300223), (74081, 242935), (83923, 214445), (116413, 154595), (131879, 136465)]