16554668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 33685344

約数和(自身を除く): 17130676

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 61, 68, 122, 221, 244, 307, 442, 614, 793, 884, 1037, 1228, 1586, 2074, 3172, 3991, 4148, 5219, 7982, 10438, 13481, 15964, 18727, 20876, 26962, 37454, 53924, 67847, 74908, 135694, 243451, 271388, 318359, 486902, 636718, 973804, 1273436, 4138667, 8277334, 16554668]

約数ペア:

[(1, 16554668), (2, 8277334), (4, 4138667), (13, 1273436), (17, 973804), (26, 636718), (34, 486902), (52, 318359), (61, 271388), (68, 243451), (122, 135694), (221, 74908), (244, 67847), (307, 53924), (442, 37454), (614, 26962), (793, 20876), (884, 18727), (1037, 15964), (1228, 13481), (1586, 10438), (2074, 7982), (3172, 5219), (3991, 4148)]