285989392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{2179}}^1$

素因数の和:2831

約数の個数: 40

約数和(自身を含む): 597947840

約数和(自身を除く): 311958448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 631, 1262, 2179, 2524, 4358, 5048, 8203, 8716, 10096, 16406, 17432, 28327, 32812, 34864, 56654, 65624, 113308, 131248, 226616, 453232, 1374949, 2749898, 5499796, 10999592, 17874337, 21999184, 35748674, 71497348, 142994696, 285989392]

約数ペア:

[(1, 285989392), (2, 142994696), (4, 71497348), (8, 35748674), (13, 21999184), (16, 17874337), (26, 10999592), (52, 5499796), (104, 2749898), (208, 1374949), (631, 453232), (1262, 226616), (2179, 131248), (2524, 113308), (4358, 65624), (5048, 56654), (8203, 34864), (8716, 32812), (10096, 28327), (16406, 17432)]