278031172

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{26459}}^1$

素因数の和:26571

約数の個数: 24

約数和(自身を含む): 506761920

約数和(自身を除く): 228730748

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 2627, 5254, 10508, 26459, 52918, 105836, 978983, 1878589, 1957966, 3757178, 3915932, 7514356, 69507793, 139015586, 278031172]

約数ペア:

[(1, 278031172), (2, 139015586), (4, 69507793), (37, 7514356), (71, 3915932), (74, 3757178), (142, 1957966), (148, 1878589), (284, 978983), (2627, 105836), (5254, 52918), (10508, 26459)]