64937684

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 135905280

約数和(自身を除く): 70967596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 316, 434, 553, 868, 947, 1106, 1894, 2212, 2449, 3788, 4898, 6629, 9796, 13258, 17143, 26516, 29357, 34286, 58714, 68572, 74813, 117428, 149626, 205499, 299252, 410998, 523691, 821996, 1047382, 2094764, 2319203, 4638406, 9276812, 16234421, 32468842, 64937684]

約数ペア:

[(1, 64937684), (2, 32468842), (4, 16234421), (7, 9276812), (14, 4638406), (28, 2319203), (31, 2094764), (62, 1047382), (79, 821996), (124, 523691), (158, 410998), (217, 299252), (316, 205499), (434, 149626), (553, 117428), (868, 74813), (947, 68572), (1106, 58714), (1894, 34286), (2212, 29357), (2449, 26516), (3788, 17143), (4898, 13258), (6629, 9796)]