399895314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 1018429440

約数和(自身を除く): 618534126

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 79, 91, 127, 146, 158, 182, 219, 237, 254, 273, 381, 438, 474, 511, 546, 553, 762, 889, 949, 1022, 1027, 1106, 1533, 1651, 1659, 1778, 1898, 2054, 2667, 2847, 3066, 3081, 3302, 3318, 4953, 5334, 5694, 5767, 6162, 6643, 7189, 9271, 9906, 10033, 11534, 11557, 13286, 14378, 17301, 18542, 19929, 20066, 21567, 23114, 27813, 30099, 34602, 34671, 39858, 40369, 43134, 55626, 60198, 64897, 69342, 70231, 74971, 80738, 120523, 121107, 129794, 130429, 140462, 149942, 194691, 210693, 224913, 241046, 242214, 260858, 361569, 389382, 391287, 421386, 449826, 524797, 723138, 732409, 782574, 843661, 913003, 1049594, 1464818, 1574391, 1687322, 1826006, 2197227, 2530983, 2739009, 3148782, 4394454, 5061966, 5126863, 5478018, 9521317, 10253726, 15380589, 19042634, 28563951, 30761178, 57127902, 66649219, 133298438, 199947657, 399895314]

約数ペア:

[(1, 399895314), (2, 199947657), (3, 133298438), (6, 66649219), (7, 57127902), (13, 30761178), (14, 28563951), (21, 19042634), (26, 15380589), (39, 10253726), (42, 9521317), (73, 5478018), (78, 5126863), (79, 5061966), (91, 4394454), (127, 3148782), (146, 2739009), (158, 2530983), (182, 2197227), (219, 1826006), (237, 1687322), (254, 1574391), (273, 1464818), (381, 1049594), (438, 913003), (474, 843661), (511, 782574), (546, 732409), (553, 723138), (762, 524797), (889, 449826), (949, 421386), (1022, 391287), (1027, 389382), (1106, 361569), (1533, 260858), (1651, 242214), (1659, 241046), (1778, 224913), (1898, 210693), (2054, 194691), (2667, 149942), (2847, 140462), (3066, 130429), (3081, 129794), (3302, 121107), (3318, 120523), (4953, 80738), (5334, 74971), (5694, 70231), (5767, 69342), (6162, 64897), (6643, 60198), (7189, 55626), (9271, 43134), (9906, 40369), (10033, 39858), (11534, 34671), (11557, 34602), (13286, 30099), (14378, 27813), (17301, 23114), (18542, 21567), (19929, 20066)]