6541990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 15020640

約数和(自身を除く): 8478650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 79, 91, 98, 130, 158, 169, 182, 245, 338, 395, 455, 490, 553, 637, 790, 845, 910, 1027, 1106, 1183, 1274, 1690, 2054, 2366, 2765, 3185, 3871, 5135, 5530, 5915, 6370, 7189, 7742, 8281, 10270, 11830, 13351, 14378, 16562, 19355, 26702, 35945, 38710, 41405, 50323, 66755, 71890, 82810, 93457, 100646, 133510, 186914, 251615, 467285, 503230, 654199, 934570, 1308398, 3270995, 6541990]

約数ペア:

[(1, 6541990), (2, 3270995), (5, 1308398), (7, 934570), (10, 654199), (13, 503230), (14, 467285), (26, 251615), (35, 186914), (49, 133510), (65, 100646), (70, 93457), (79, 82810), (91, 71890), (98, 66755), (130, 50323), (158, 41405), (169, 38710), (182, 35945), (245, 26702), (338, 19355), (395, 16562), (455, 14378), (490, 13351), (553, 11830), (637, 10270), (790, 8281), (845, 7742), (910, 7189), (1027, 6370), (1106, 5915), (1183, 5530), (1274, 5135), (1690, 3871), (2054, 3185), (2366, 2765)]