81363904

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 84

約数和(自身を含む): 176854104

約数和(自身を除く): 95490200

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 64, 68, 83, 106, 136, 166, 212, 272, 289, 332, 424, 544, 578, 664, 848, 901, 1088, 1156, 1328, 1411, 1696, 1802, 2312, 2656, 2822, 3392, 3604, 4399, 4624, 5312, 5644, 7208, 8798, 9248, 11288, 14416, 15317, 17596, 18496, 22576, 23987, 28832, 30634, 35192, 45152, 47974, 57664, 61268, 70384, 74783, 90304, 95948, 122536, 140768, 149566, 191896, 245072, 281536, 299132, 383792, 490144, 598264, 767584, 980288, 1196528, 1271311, 1535168, 2393056, 2542622, 4786112, 5085244, 10170488, 20340976, 40681952, 81363904]

約数ペア:

[(1, 81363904), (2, 40681952), (4, 20340976), (8, 10170488), (16, 5085244), (17, 4786112), (32, 2542622), (34, 2393056), (53, 1535168), (64, 1271311), (68, 1196528), (83, 980288), (106, 767584), (136, 598264), (166, 490144), (212, 383792), (272, 299132), (289, 281536), (332, 245072), (424, 191896), (544, 149566), (578, 140768), (664, 122536), (848, 95948), (901, 90304), (1088, 74783), (1156, 70384), (1328, 61268), (1411, 57664), (1696, 47974), (1802, 45152), (2312, 35192), (2656, 30634), (2822, 28832), (3392, 23987), (3604, 22576), (4399, 18496), (4624, 17596), (5312, 15317), (5644, 14416), (7208, 11288), (8798, 9248)]