391865838

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 1001011200

約数和(自身を除く): 609145362

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 97, 98, 147, 151, 182, 194, 273, 291, 294, 302, 343, 453, 546, 582, 637, 679, 686, 906, 1029, 1057, 1261, 1274, 1358, 1911, 1963, 2037, 2058, 2114, 2522, 3171, 3783, 3822, 3926, 4074, 4459, 4753, 5889, 6342, 7399, 7566, 8827, 8918, 9506, 11778, 13377, 13741, 14259, 14647, 14798, 17654, 22197, 26481, 26754, 27482, 28518, 29294, 33271, 41223, 43941, 44394, 51793, 52962, 61789, 66542, 82446, 87882, 96187, 99813, 102529, 103586, 123578, 155379, 185367, 190411, 192374, 199626, 205058, 288561, 307587, 310758, 370734, 380822, 432523, 571233, 577122, 615174, 673309, 717703, 865046, 1142466, 1297569, 1332877, 1346618, 1435406, 2019927, 2153109, 2595138, 2665754, 3998631, 4039854, 4306218, 5023921, 7997262, 9330139, 10047842, 15071763, 18660278, 27990417, 30143526, 55980834, 65310973, 130621946, 195932919, 391865838]

約数ペア:

[(1, 391865838), (2, 195932919), (3, 130621946), (6, 65310973), (7, 55980834), (13, 30143526), (14, 27990417), (21, 18660278), (26, 15071763), (39, 10047842), (42, 9330139), (49, 7997262), (78, 5023921), (91, 4306218), (97, 4039854), (98, 3998631), (147, 2665754), (151, 2595138), (182, 2153109), (194, 2019927), (273, 1435406), (291, 1346618), (294, 1332877), (302, 1297569), (343, 1142466), (453, 865046), (546, 717703), (582, 673309), (637, 615174), (679, 577122), (686, 571233), (906, 432523), (1029, 380822), (1057, 370734), (1261, 310758), (1274, 307587), (1358, 288561), (1911, 205058), (1963, 199626), (2037, 192374), (2058, 190411), (2114, 185367), (2522, 155379), (3171, 123578), (3783, 103586), (3822, 102529), (3926, 99813), (4074, 96187), (4459, 87882), (4753, 82446), (5889, 66542), (6342, 61789), (7399, 52962), (7566, 51793), (8827, 44394), (8918, 43941), (9506, 41223), (11778, 33271), (13377, 29294), (13741, 28518), (14259, 27482), (14647, 26754), (14798, 26481), (17654, 22197)]