397729984

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1721}}^1$

素因数の和:1913

約数の個数: 56

約数和(自身を含む): 829287648

約数和(自身を除く): 431557664

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 157, 184, 314, 368, 628, 736, 1256, 1472, 1721, 2512, 3442, 3611, 5024, 6884, 7222, 10048, 13768, 14444, 27536, 28888, 39583, 55072, 57776, 79166, 110144, 115552, 158332, 231104, 270197, 316664, 540394, 633328, 1080788, 1266656, 2161576, 2533312, 4323152, 6214531, 8646304, 12429062, 17292608, 24858124, 49716248, 99432496, 198864992, 397729984]

約数ペア:

[(1, 397729984), (2, 198864992), (4, 99432496), (8, 49716248), (16, 24858124), (23, 17292608), (32, 12429062), (46, 8646304), (64, 6214531), (92, 4323152), (157, 2533312), (184, 2161576), (314, 1266656), (368, 1080788), (628, 633328), (736, 540394), (1256, 316664), (1472, 270197), (1721, 231104), (2512, 158332), (3442, 115552), (3611, 110144), (5024, 79166), (6884, 57776), (7222, 55072), (10048, 39583), (13768, 28888), (14444, 27536)]