638821688128

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40411291}}^1$

素因数の和:40411335

約数の個数: 56

約数和(自身を含む): 1437025543520

約数和(自身を除く): 798203855392

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 40411291, 80822582, 161645164, 323290328, 525346783, 646580656, 767814529, 1050693566, 1293161312, 1535629058, 2101387132, 2586322624, 3071258116, 4202774264, 6142516232, 8405548528, 9981588877, 12285032464, 16811097056, 19963177754, 24570064928, 33622194112, 39926355508, 49140129856, 79852711016, 159705422032, 319410844064, 638821688128]

約数ペア:

[(1, 638821688128), (2, 319410844064), (4, 159705422032), (8, 79852711016), (13, 49140129856), (16, 39926355508), (19, 33622194112), (26, 24570064928), (32, 19963177754), (38, 16811097056), (52, 12285032464), (64, 9981588877), (76, 8405548528), (104, 6142516232), (152, 4202774264), (208, 3071258116), (247, 2586322624), (304, 2101387132), (416, 1535629058), (494, 1293161312), (608, 1050693566), (832, 767814529), (988, 646580656), (1216, 525346783), (1976, 323290328), (3952, 161645164), (7904, 80822582), (15808, 40411291)]