138431368

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{4261}}^1$

素因数の和:4429

約数の個数: 32

約数和(自身を含む): 270040320

約数和(自身を除く): 131608952

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 524, 1048, 4061, 4261, 8122, 8522, 16244, 17044, 32488, 34088, 132091, 264182, 528364, 558191, 1056728, 1116382, 2232764, 4465528, 17303921, 34607842, 69215684, 138431368]

約数ペア:

[(1, 138431368), (2, 69215684), (4, 34607842), (8, 17303921), (31, 4465528), (62, 2232764), (124, 1116382), (131, 1056728), (248, 558191), (262, 528364), (524, 264182), (1048, 132091), (4061, 34088), (4261, 32488), (8122, 17044), (8522, 16244)]