219921784

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{2389}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 425037600

約数和(自身を除く): 205115816

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 311, 622, 1244, 2389, 2488, 4778, 9556, 11507, 19112, 23014, 46028, 88393, 92056, 176786, 353572, 707144, 742979, 1485958, 2971916, 5943832, 27490223, 54980446, 109960892, 219921784]

約数ペア:

[(1, 219921784), (2, 109960892), (4, 54980446), (8, 27490223), (37, 5943832), (74, 2971916), (148, 1485958), (296, 742979), (311, 707144), (622, 353572), (1244, 176786), (2389, 92056), (2488, 88393), (4778, 46028), (9556, 23014), (11507, 19112)]