164420528095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1627}}^1\times {\mathrm{20071}}^1$

素因数の和:21775

約数の個数: 32

約数和(自身を含む): 211748359680

約数和(自身を除く): 47327831585

約数列:

[1, 5, 19, 53, 95, 265, 1007, 1627, 5035, 8135, 20071, 30913, 86231, 100355, 154565, 381349, 431155, 1063763, 1638389, 1906745, 5318815, 8191945, 20211497, 32655517, 101057485, 163277585, 620454823, 1730742401, 3102274115, 8653712005, 32884105619, 164420528095]

約数ペア:

[(1, 164420528095), (5, 32884105619), (19, 8653712005), (53, 3102274115), (95, 1730742401), (265, 620454823), (1007, 163277585), (1627, 101057485), (5035, 32655517), (8135, 20211497), (20071, 8191945), (30913, 5318815), (86231, 1906745), (100355, 1638389), (154565, 1063763), (381349, 431155)]