81433990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{9371}}^1$

素因数の和:9468

約数の個数: 32

約数和(自身を含む): 161948160

約数和(自身を除く): 80514170

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345, 8690, 9371, 18742, 46855, 93710, 103081, 206162, 515405, 740309, 1030810, 1480618, 3701545, 7403090, 8143399, 16286798, 40716995, 81433990]

約数ペア:

[(1, 81433990), (2, 40716995), (5, 16286798), (10, 8143399), (11, 7403090), (22, 3701545), (55, 1480618), (79, 1030810), (110, 740309), (158, 515405), (395, 206162), (790, 103081), (869, 93710), (1738, 46855), (4345, 18742), (8690, 9371)]