71921990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{12379}}^1$

素因数の和:12476

約数の個数: 32

約数和(自身を含む): 149748480

約数和(自身を除く): 77826490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 5810, 12379, 24758, 61895, 86653, 123790, 173306, 433265, 866530, 1027457, 2054914, 5137285, 7192199, 10274570, 14384398, 35960995, 71921990]

約数ペア:

[(1, 71921990), (2, 35960995), (5, 14384398), (7, 10274570), (10, 7192199), (14, 5137285), (35, 2054914), (70, 1027457), (83, 866530), (166, 433265), (415, 173306), (581, 123790), (830, 86653), (1162, 61895), (2905, 24758), (5810, 12379)]