2811522

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 6681312

約数和(自身を除く): 3869790

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 73, 98, 131, 146, 147, 219, 262, 294, 393, 438, 511, 786, 917, 1022, 1533, 1834, 2751, 3066, 3577, 5502, 6419, 7154, 9563, 10731, 12838, 19126, 19257, 21462, 28689, 38514, 57378, 66941, 133882, 200823, 401646, 468587, 937174, 1405761, 2811522]

約数ペア:

[(1, 2811522), (2, 1405761), (3, 937174), (6, 468587), (7, 401646), (14, 200823), (21, 133882), (42, 66941), (49, 57378), (73, 38514), (98, 28689), (131, 21462), (146, 19257), (147, 19126), (219, 12838), (262, 10731), (294, 9563), (393, 7154), (438, 6419), (511, 5502), (786, 3577), (917, 3066), (1022, 2751), (1533, 1834)]