84721070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{19841}}^1$

素因数の和:19916

約数の個数: 32

約数和(自身を含む): 177149376

約数和(自身を除く): 92428306

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 19841, 39682, 99205, 138887, 198410, 277774, 694435, 1210301, 1388870, 2420602, 6051505, 8472107, 12103010, 16944214, 42360535, 84721070]

約数ペア:

[(1, 84721070), (2, 42360535), (5, 16944214), (7, 12103010), (10, 8472107), (14, 6051505), (35, 2420602), (61, 1388870), (70, 1210301), (122, 694435), (305, 277774), (427, 198410), (610, 138887), (854, 99205), (2135, 39682), (4270, 19841)]