71808590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 152990208

約数和(自身を除く): 81181618

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 67, 70, 122, 134, 251, 305, 335, 427, 469, 502, 610, 670, 854, 938, 1255, 1757, 2135, 2345, 2510, 3514, 4087, 4270, 4690, 8174, 8785, 15311, 16817, 17570, 20435, 28609, 30622, 33634, 40870, 57218, 76555, 84085, 107177, 117719, 143045, 153110, 168170, 214354, 235438, 286090, 535885, 588595, 1025837, 1071770, 1177190, 2051674, 5129185, 7180859, 10258370, 14361718, 35904295, 71808590]

約数ペア:

[(1, 71808590), (2, 35904295), (5, 14361718), (7, 10258370), (10, 7180859), (14, 5129185), (35, 2051674), (61, 1177190), (67, 1071770), (70, 1025837), (122, 588595), (134, 535885), (251, 286090), (305, 235438), (335, 214354), (427, 168170), (469, 153110), (502, 143045), (610, 117719), (670, 107177), (854, 84085), (938, 76555), (1255, 57218), (1757, 40870), (2135, 33634), (2345, 30622), (2510, 28609), (3514, 20435), (4087, 17570), (4270, 16817), (4690, 15311), (8174, 8785)]