247966306574

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1\times {\mathrm{2647}}^1$

素因数の和:3561

約数の個数: 64

約数和(自身を含む): 436196524032

約数和(自身を除く): 188230217458

約数列:

[1, 2, 7, 14, 53, 106, 191, 371, 382, 661, 742, 1322, 1337, 2647, 2674, 4627, 5294, 9254, 10123, 18529, 20246, 35033, 37058, 70066, 70861, 126251, 140291, 141722, 245231, 252502, 280582, 490462, 505577, 883757, 982037, 1011154, 1749667, 1767514, 1964074, 3499334, 3539039, 6691303, 7078078, 12247669, 13382606, 24495338, 26795581, 46839121, 53591162, 92732351, 93678242, 185464702, 187569067, 334186397, 375138134, 649126457, 668372794, 1298252914, 2339304779, 4678609558, 17711879041, 35423758082, 123983153287, 247966306574]

約数ペア:

[(1, 247966306574), (2, 123983153287), (7, 35423758082), (14, 17711879041), (53, 4678609558), (106, 2339304779), (191, 1298252914), (371, 668372794), (382, 649126457), (661, 375138134), (742, 334186397), (1322, 187569067), (1337, 185464702), (2647, 93678242), (2674, 92732351), (4627, 53591162), (5294, 46839121), (9254, 26795581), (10123, 24495338), (18529, 13382606), (20246, 12247669), (35033, 7078078), (37058, 6691303), (70066, 3539039), (70861, 3499334), (126251, 1964074), (140291, 1767514), (141722, 1749667), (245231, 1011154), (252502, 982037), (280582, 883757), (490462, 505577)]