181996288

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 423843840

約数和(自身を除く): 241847552

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 64, 68, 71, 76, 124, 128, 136, 142, 152, 248, 256, 272, 284, 304, 323, 496, 527, 544, 568, 589, 608, 646, 992, 1054, 1088, 1136, 1178, 1207, 1216, 1292, 1349, 1984, 2108, 2176, 2201, 2272, 2356, 2414, 2432, 2584, 2698, 3968, 4216, 4352, 4402, 4544, 4712, 4828, 4864, 5168, 5396, 7936, 8432, 8804, 9088, 9424, 9656, 10013, 10336, 10792, 16864, 17608, 18176, 18848, 19312, 20026, 20672, 21584, 22933, 33728, 35216, 37417, 37696, 38624, 40052, 41344, 41819, 43168, 45866, 67456, 70432, 74834, 75392, 77248, 80104, 82688, 83638, 86336, 91732, 134912, 140864, 149668, 150784, 154496, 160208, 167276, 172672, 183464, 281728, 299336, 308992, 320416, 334552, 345344, 366928, 563456, 598672, 640832, 669104, 710923, 733856, 1197344, 1281664, 1338208, 1421846, 1467712, 2394688, 2563328, 2676416, 2843692, 2935424, 4789376, 5352832, 5687384, 5870848, 9578752, 10705664, 11374768, 22749536, 45499072, 90998144, 181996288]

約数ペア:

[(1, 181996288), (2, 90998144), (4, 45499072), (8, 22749536), (16, 11374768), (17, 10705664), (19, 9578752), (31, 5870848), (32, 5687384), (34, 5352832), (38, 4789376), (62, 2935424), (64, 2843692), (68, 2676416), (71, 2563328), (76, 2394688), (124, 1467712), (128, 1421846), (136, 1338208), (142, 1281664), (152, 1197344), (248, 733856), (256, 710923), (272, 669104), (284, 640832), (304, 598672), (323, 563456), (496, 366928), (527, 345344), (544, 334552), (568, 320416), (589, 308992), (608, 299336), (646, 281728), (992, 183464), (1054, 172672), (1088, 167276), (1136, 160208), (1178, 154496), (1207, 150784), (1216, 149668), (1292, 140864), (1349, 134912), (1984, 91732), (2108, 86336), (2176, 83638), (2201, 82688), (2272, 80104), (2356, 77248), (2414, 75392), (2432, 74834), (2584, 70432), (2698, 67456), (3968, 45866), (4216, 43168), (4352, 41819), (4402, 41344), (4544, 40052), (4712, 38624), (4828, 37696), (4864, 37417), (5168, 35216), (5396, 33728), (7936, 22933), (8432, 21584), (8804, 20672), (9088, 20026), (9424, 19312), (9656, 18848), (10013, 18176), (10336, 17608), (10792, 16864)]