991554018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{38639}}^1$

素因数の和:38711

約数の個数: 64

約数和(自身を含む): 2492743680

約数和(自身を除く): 1501189662

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 47, 78, 91, 94, 141, 182, 273, 282, 329, 546, 611, 658, 987, 1222, 1833, 1974, 3666, 4277, 8554, 12831, 25662, 38639, 77278, 115917, 231834, 270473, 502307, 540946, 811419, 1004614, 1506921, 1622838, 1816033, 3013842, 3516149, 3632066, 5448099, 7032298, 10548447, 10896198, 12712231, 21096894, 23608429, 25424462, 38136693, 47216858, 70825287, 76273386, 141650574, 165259003, 330518006, 495777009, 991554018]

約数ペア:

[(1, 991554018), (2, 495777009), (3, 330518006), (6, 165259003), (7, 141650574), (13, 76273386), (14, 70825287), (21, 47216858), (26, 38136693), (39, 25424462), (42, 23608429), (47, 21096894), (78, 12712231), (91, 10896198), (94, 10548447), (141, 7032298), (182, 5448099), (273, 3632066), (282, 3516149), (329, 3013842), (546, 1816033), (611, 1622838), (658, 1506921), (987, 1004614), (1222, 811419), (1833, 540946), (1974, 502307), (3666, 270473), (4277, 231834), (8554, 115917), (12831, 77278), (25662, 38639)]