163521918

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{397}}^1\times {\mathrm{467}}^1$

素因数の和:886

約数の個数: 72

約数和(自身を含む): 414064872

約数和(自身を除く): 250542954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 397, 441, 467, 794, 882, 934, 1191, 1401, 2382, 2779, 2802, 3269, 3573, 4203, 5558, 6538, 7146, 8337, 8406, 9807, 16674, 19453, 19614, 22883, 25011, 29421, 38906, 45766, 50022, 58359, 58842, 68649, 116718, 137298, 175077, 185399, 205947, 350154, 370798, 411894, 556197, 1112394, 1297793, 1668591, 2595586, 3337182, 3893379, 7786758, 9084551, 11680137, 18169102, 23360274, 27253653, 54507306, 81760959, 163521918]

約数ペア:

[(1, 163521918), (2, 81760959), (3, 54507306), (6, 27253653), (7, 23360274), (9, 18169102), (14, 11680137), (18, 9084551), (21, 7786758), (42, 3893379), (49, 3337182), (63, 2595586), (98, 1668591), (126, 1297793), (147, 1112394), (294, 556197), (397, 411894), (441, 370798), (467, 350154), (794, 205947), (882, 185399), (934, 175077), (1191, 137298), (1401, 116718), (2382, 68649), (2779, 58842), (2802, 58359), (3269, 50022), (3573, 45766), (4203, 38906), (5558, 29421), (6538, 25011), (7146, 22883), (8337, 19614), (8406, 19453), (9807, 16674)]