258121472

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 643124160

約数和(自身を除く): 385002688

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 56, 64, 68, 74, 112, 119, 128, 136, 148, 224, 229, 238, 256, 259, 272, 296, 448, 458, 476, 518, 544, 592, 629, 896, 916, 952, 1036, 1088, 1184, 1258, 1603, 1792, 1832, 1904, 2072, 2176, 2368, 2516, 3206, 3664, 3808, 3893, 4144, 4352, 4403, 4736, 5032, 6412, 7328, 7616, 7786, 8288, 8473, 8806, 9472, 10064, 12824, 14656, 15232, 15572, 16576, 16946, 17612, 20128, 25648, 27251, 29312, 30464, 31144, 33152, 33892, 35224, 40256, 51296, 54502, 58624, 59311, 62288, 66304, 67784, 70448, 80512, 102592, 109004, 118622, 124576, 135568, 140896, 144041, 161024, 205184, 218008, 237244, 249152, 271136, 281792, 288082, 410368, 436016, 474488, 498304, 542272, 563584, 576164, 872032, 948976, 996608, 1008287, 1084544, 1127168, 1152328, 1744064, 1897952, 2016574, 2169088, 2304656, 3488128, 3795904, 4033148, 4609312, 6976256, 7591808, 8066296, 9218624, 15183616, 16132592, 18437248, 32265184, 36874496, 64530368, 129060736, 258121472]

約数ペア:

[(1, 258121472), (2, 129060736), (4, 64530368), (7, 36874496), (8, 32265184), (14, 18437248), (16, 16132592), (17, 15183616), (28, 9218624), (32, 8066296), (34, 7591808), (37, 6976256), (56, 4609312), (64, 4033148), (68, 3795904), (74, 3488128), (112, 2304656), (119, 2169088), (128, 2016574), (136, 1897952), (148, 1744064), (224, 1152328), (229, 1127168), (238, 1084544), (256, 1008287), (259, 996608), (272, 948976), (296, 872032), (448, 576164), (458, 563584), (476, 542272), (518, 498304), (544, 474488), (592, 436016), (629, 410368), (896, 288082), (916, 281792), (952, 271136), (1036, 249152), (1088, 237244), (1184, 218008), (1258, 205184), (1603, 161024), (1792, 144041), (1832, 140896), (1904, 135568), (2072, 124576), (2176, 118622), (2368, 109004), (2516, 102592), (3206, 80512), (3664, 70448), (3808, 67784), (3893, 66304), (4144, 62288), (4352, 59311), (4403, 58624), (4736, 54502), (5032, 51296), (6412, 40256), (7328, 35224), (7616, 33892), (7786, 33152), (8288, 31144), (8473, 30464), (8806, 29312), (9472, 27251), (10064, 25648), (12824, 20128), (14656, 17612), (15232, 16946), (15572, 16576)]