72049436

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 127937040

約数和(自身を除く): 55887604

約数列:

[1, 2, 4, 109, 218, 257, 436, 514, 643, 1028, 1286, 2572, 28013, 56026, 70087, 112052, 140174, 165251, 280348, 330502, 661004, 18012359, 36024718, 72049436]

約数ペア:

[(1, 72049436), (2, 36024718), (4, 18012359), (109, 661004), (218, 330502), (257, 280348), (436, 165251), (514, 140174), (643, 112052), (1028, 70087), (1286, 56026), (2572, 28013)]