40960381

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 12262019

約数列:

[1, 7, 11, 43, 77, 89, 139, 301, 473, 623, 973, 979, 1529, 3311, 3827, 5977, 6853, 10703, 12371, 26789, 41839, 42097, 65747, 86597, 136081, 294679, 460229, 531953, 952567, 3723671, 5851483, 40960381]

約数ペア:

[(1, 40960381), (7, 5851483), (11, 3723671), (43, 952567), (77, 531953), (89, 460229), (139, 294679), (301, 136081), (473, 86597), (623, 65747), (973, 42097), (979, 41839), (1529, 26789), (3311, 12371), (3827, 10703), (5977, 6853)]