8720726

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 16399584

約数和(自身を除く): 7678858

約数列:

[1, 2, 7, 14, 23, 46, 49, 53, 73, 98, 106, 146, 161, 322, 371, 511, 742, 1022, 1127, 1219, 1679, 2254, 2438, 2597, 3358, 3577, 3869, 5194, 7154, 7738, 8533, 11753, 17066, 23506, 27083, 54166, 59731, 82271, 88987, 119462, 164542, 177974, 189581, 379162, 622909, 1245818, 4360363, 8720726]

約数ペア:

[(1, 8720726), (2, 4360363), (7, 1245818), (14, 622909), (23, 379162), (46, 189581), (49, 177974), (53, 164542), (73, 119462), (98, 88987), (106, 82271), (146, 59731), (161, 54166), (322, 27083), (371, 23506), (511, 17066), (742, 11753), (1022, 8533), (1127, 7738), (1219, 7154), (1679, 5194), (2254, 3869), (2438, 3577), (2597, 3358)]