72412739

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 88030800

約数和(自身を除く): 15618061

約数列:

[1, 7, 29, 49, 131, 203, 389, 917, 1421, 2723, 3799, 6419, 11281, 19061, 26593, 50959, 78967, 186151, 356713, 552769, 1477811, 2496991, 10344677, 72412739]

約数ペア:

[(1, 72412739), (7, 10344677), (29, 2496991), (49, 1477811), (131, 552769), (203, 356713), (389, 186151), (917, 78967), (1421, 50959), (2723, 26593), (3799, 19061), (6419, 11281)]