64438143

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 115706880

約数和(自身を除く): 51268737

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 61, 77, 119, 183, 187, 231, 269, 357, 427, 561, 671, 807, 1037, 1281, 1309, 1883, 2013, 2959, 3111, 3927, 4573, 4697, 5649, 7259, 8877, 11407, 13719, 14091, 16409, 20713, 21777, 32011, 34221, 49227, 50303, 62139, 79849, 96033, 114863, 150909, 180499, 239547, 278953, 344589, 352121, 541497, 836859, 1056363, 1263493, 1952671, 3068483, 3790479, 5858013, 9205449, 21479381, 64438143]

約数ペア:

[(1, 64438143), (3, 21479381), (7, 9205449), (11, 5858013), (17, 3790479), (21, 3068483), (33, 1952671), (51, 1263493), (61, 1056363), (77, 836859), (119, 541497), (183, 352121), (187, 344589), (231, 278953), (269, 239547), (357, 180499), (427, 150909), (561, 114863), (671, 96033), (807, 79849), (1037, 62139), (1281, 50303), (1309, 49227), (1883, 34221), (2013, 32011), (2959, 21777), (3111, 20713), (3927, 16409), (4573, 14091), (4697, 13719), (5649, 11407), (7259, 8877)]