15991312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1283}}^1$

素因数の和:1351

約数の個数: 40

約数和(自身を含む): 33435360

約数和(自身を除く): 17444048

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1283, 1558, 2566, 3116, 5132, 6232, 10264, 12464, 20528, 24377, 48754, 52603, 97508, 105206, 195016, 210412, 390032, 420824, 841648, 999457, 1998914, 3997828, 7995656, 15991312]

約数ペア:

[(1, 15991312), (2, 7995656), (4, 3997828), (8, 1998914), (16, 999457), (19, 841648), (38, 420824), (41, 390032), (76, 210412), (82, 195016), (152, 105206), (164, 97508), (304, 52603), (328, 48754), (656, 24377), (779, 20528), (1283, 12464), (1558, 10264), (2566, 6232), (3116, 5132)]