209457756

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1567}}^1$

素因数の和:1703

約数の個数: 72

約数和(自身を含む): 547921920

約数和(自身を除く): 338464164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 79, 94, 141, 158, 188, 237, 282, 316, 423, 474, 564, 711, 846, 948, 1422, 1567, 1692, 2844, 3134, 3713, 4701, 6268, 7426, 9402, 11139, 14103, 14852, 18804, 22278, 28206, 33417, 44556, 56412, 66834, 73649, 123793, 133668, 147298, 220947, 247586, 294596, 371379, 441894, 495172, 662841, 742758, 883788, 1114137, 1325682, 1485516, 2228274, 2651364, 4456548, 5818271, 11636542, 17454813, 23273084, 34909626, 52364439, 69819252, 104728878, 209457756]

約数ペア:

[(1, 209457756), (2, 104728878), (3, 69819252), (4, 52364439), (6, 34909626), (9, 23273084), (12, 17454813), (18, 11636542), (36, 5818271), (47, 4456548), (79, 2651364), (94, 2228274), (141, 1485516), (158, 1325682), (188, 1114137), (237, 883788), (282, 742758), (316, 662841), (423, 495172), (474, 441894), (564, 371379), (711, 294596), (846, 247586), (948, 220947), (1422, 147298), (1567, 133668), (1692, 123793), (2844, 73649), (3134, 66834), (3713, 56412), (4701, 44556), (6268, 33417), (7426, 28206), (9402, 22278), (11139, 18804), (14103, 14852)]