641407616

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2579}}^1$

素因数の和:2689

約数の個数: 64

約数和(自身を含む): 1342116000

約数和(自身を除く): 700708384

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 67, 116, 128, 134, 232, 268, 464, 536, 928, 1072, 1856, 1943, 2144, 2579, 3712, 3886, 4288, 5158, 7772, 8576, 10316, 15544, 20632, 31088, 41264, 62176, 74791, 82528, 124352, 149582, 165056, 172793, 248704, 299164, 330112, 345586, 598328, 691172, 1196656, 1382344, 2393312, 2764688, 4786624, 5010997, 5529376, 9573248, 10021994, 11058752, 20043988, 22117504, 40087976, 80175952, 160351904, 320703808, 641407616]

約数ペア:

[(1, 641407616), (2, 320703808), (4, 160351904), (8, 80175952), (16, 40087976), (29, 22117504), (32, 20043988), (58, 11058752), (64, 10021994), (67, 9573248), (116, 5529376), (128, 5010997), (134, 4786624), (232, 2764688), (268, 2393312), (464, 1382344), (536, 1196656), (928, 691172), (1072, 598328), (1856, 345586), (1943, 330112), (2144, 299164), (2579, 248704), (3712, 172793), (3886, 165056), (4288, 149582), (5158, 124352), (7772, 82528), (8576, 74791), (10316, 62176), (15544, 41264), (20632, 31088)]