219504769

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 251444480

約数和(自身を除く): 31939711

約数列:

[1, 11, 31, 121, 139, 341, 421, 1529, 3751, 4309, 4631, 13051, 16819, 47399, 50941, 58519, 143561, 521389, 643709, 1579171, 1814089, 7080799, 19954979, 219504769]

約数ペア:

[(1, 219504769), (11, 19954979), (31, 7080799), (121, 1814089), (139, 1579171), (341, 643709), (421, 521389), (1529, 143561), (3751, 58519), (4309, 50941), (4631, 47399), (13051, 16819)]