16561298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 28712880

約数和(自身を除く): 12151582

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 421, 442, 842, 1157, 1513, 2314, 3026, 5473, 7157, 10946, 14314, 19669, 37469, 39338, 74938, 93041, 186082, 487097, 636973, 974194, 1273946, 8280649, 16561298]

約数ペア:

[(1, 16561298), (2, 8280649), (13, 1273946), (17, 974194), (26, 636973), (34, 487097), (89, 186082), (178, 93041), (221, 74938), (421, 39338), (442, 37469), (842, 19669), (1157, 14314), (1513, 10946), (2314, 7157), (3026, 5473)]