64668784

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:625

約数の個数: 40

約数和(自身を含む): 128420352

約数和(自身を除く): 63751568

約数列:

[1, 2, 4, 8, 16, 61, 122, 173, 244, 346, 383, 488, 692, 766, 976, 1384, 1532, 2768, 3064, 6128, 10553, 21106, 23363, 42212, 46726, 66259, 84424, 93452, 132518, 168848, 186904, 265036, 373808, 530072, 1060144, 4041799, 8083598, 16167196, 32334392, 64668784]

約数ペア:

[(1, 64668784), (2, 32334392), (4, 16167196), (8, 8083598), (16, 4041799), (61, 1060144), (122, 530072), (173, 373808), (244, 265036), (346, 186904), (383, 168848), (488, 132518), (692, 93452), (766, 84424), (976, 66259), (1384, 46726), (1532, 42212), (2768, 23363), (3064, 21106), (6128, 10553)]