16789870

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 31259520

約数和(自身を除く): 14469650

約数列:

[1, 2, 5, 10, 53, 79, 106, 158, 265, 395, 401, 530, 790, 802, 2005, 4010, 4187, 8374, 20935, 21253, 31679, 41870, 42506, 63358, 106265, 158395, 212530, 316790, 1678987, 3357974, 8394935, 16789870]

約数ペア:

[(1, 16789870), (2, 8394935), (5, 3357974), (10, 1678987), (53, 316790), (79, 212530), (106, 158395), (158, 106265), (265, 63358), (395, 42506), (401, 41870), (530, 31679), (790, 21253), (802, 20935), (2005, 8374), (4010, 4187)]