155565784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{7043}}^1$

素因数の和:7311

約数の個数: 32

約数和(自身を含む): 319515840

約数和(自身を除く): 163950056

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 251, 502, 1004, 2008, 2761, 5522, 7043, 11044, 14086, 22088, 28172, 56344, 77473, 154946, 309892, 619784, 1767793, 3535586, 7071172, 14142344, 19445723, 38891446, 77782892, 155565784]

約数ペア:

[(1, 155565784), (2, 77782892), (4, 38891446), (8, 19445723), (11, 14142344), (22, 7071172), (44, 3535586), (88, 1767793), (251, 619784), (502, 309892), (1004, 154946), (2008, 77473), (2761, 56344), (5522, 28172), (7043, 22088), (11044, 14086)]