16881774

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 42470400

約数和(自身を除く): 25588626

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 343, 546, 631, 637, 686, 1029, 1262, 1274, 1893, 1911, 2058, 3786, 3822, 4417, 4459, 8203, 8834, 8918, 13251, 13377, 16406, 24609, 26502, 26754, 30919, 49218, 57421, 61838, 92757, 114842, 172263, 185514, 216433, 344526, 401947, 432866, 649299, 803894, 1205841, 1298598, 2411682, 2813629, 5627258, 8440887, 16881774]

約数ペア:

[(1, 16881774), (2, 8440887), (3, 5627258), (6, 2813629), (7, 2411682), (13, 1298598), (14, 1205841), (21, 803894), (26, 649299), (39, 432866), (42, 401947), (49, 344526), (78, 216433), (91, 185514), (98, 172263), (147, 114842), (182, 92757), (273, 61838), (294, 57421), (343, 49218), (546, 30919), (631, 26754), (637, 26502), (686, 24609), (1029, 16406), (1262, 13377), (1274, 13251), (1893, 8918), (1911, 8834), (2058, 8203), (3786, 4459), (3822, 4417)]