71721490

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 132015744

約数和(自身を除く): 60294254

約数列:

[1, 2, 5, 10, 67, 134, 167, 334, 335, 641, 670, 835, 1282, 1670, 3205, 6410, 11189, 22378, 42947, 55945, 85894, 107047, 111890, 214094, 214735, 429470, 535235, 1070470, 7172149, 14344298, 35860745, 71721490]

約数ペア:

[(1, 71721490), (2, 35860745), (5, 14344298), (10, 7172149), (67, 1070470), (134, 535235), (167, 429470), (334, 214735), (335, 214094), (641, 111890), (670, 107047), (835, 85894), (1282, 55945), (1670, 42947), (3205, 22378), (6410, 11189)]