165715528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{30871}}^1$

素因数の和:30949

約数の個数: 32

約数和(自身を含む): 344531520

約数和(自身を除く): 178815992

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 30871, 61742, 123484, 246968, 339581, 679162, 1358324, 1883131, 2716648, 3766262, 7532524, 15065048, 20714441, 41428882, 82857764, 165715528]

約数ペア:

[(1, 165715528), (2, 82857764), (4, 41428882), (8, 20714441), (11, 15065048), (22, 7532524), (44, 3766262), (61, 2716648), (88, 1883131), (122, 1358324), (244, 679162), (488, 339581), (671, 246968), (1342, 123484), (2684, 61742), (5368, 30871)]