643145344

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1487}}^1$

素因数の和:1641

約数の個数: 64

約数和(自身を含む): 1335628800

約数和(自身を除く): 692483456

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 109, 124, 128, 218, 248, 436, 496, 872, 992, 1487, 1744, 1984, 2974, 3379, 3488, 3968, 5948, 6758, 6976, 11896, 13516, 13952, 23792, 27032, 46097, 47584, 54064, 92194, 95168, 108128, 162083, 184388, 190336, 216256, 324166, 368776, 432512, 648332, 737552, 1296664, 1475104, 2593328, 2950208, 5024573, 5186656, 5900416, 10049146, 10373312, 20098292, 20746624, 40196584, 80393168, 160786336, 321572672, 643145344]

約数ペア:

[(1, 643145344), (2, 321572672), (4, 160786336), (8, 80393168), (16, 40196584), (31, 20746624), (32, 20098292), (62, 10373312), (64, 10049146), (109, 5900416), (124, 5186656), (128, 5024573), (218, 2950208), (248, 2593328), (436, 1475104), (496, 1296664), (872, 737552), (992, 648332), (1487, 432512), (1744, 368776), (1984, 324166), (2974, 216256), (3379, 190336), (3488, 184388), (3968, 162083), (5948, 108128), (6758, 95168), (6976, 92194), (11896, 54064), (13516, 47584), (13952, 46097), (23792, 27032)]