1277315968

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{243391}}^1$

素因数の和:243446

約数の個数: 32

約数和(自身を含む): 2606728320

約数和(自身を除く): 1329412352

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 5248, 243391, 486782, 973564, 1947128, 3894256, 7788512, 9979031, 15577024, 19958062, 31154048, 39916124, 79832248, 159664496, 319328992, 638657984, 1277315968]

約数ペア:

[(1, 1277315968), (2, 638657984), (4, 319328992), (8, 159664496), (16, 79832248), (32, 39916124), (41, 31154048), (64, 19958062), (82, 15577024), (128, 9979031), (164, 7788512), (328, 3894256), (656, 1947128), (1312, 973564), (2624, 486782), (5248, 243391)]