8889177584

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2560247}}^1$

素因数の和:2560293

約数の個数: 40

約数和(自身を含む): 20318128128

約数和(自身を除く): 11428950544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 2560247, 5120494, 10240988, 17921729, 20481976, 35843458, 40963952, 71686916, 79367657, 143373832, 158735314, 286747664, 317470628, 555573599, 634941256, 1111147198, 1269882512, 2222294396, 4444588792, 8889177584]

約数ペア:

[(1, 8889177584), (2, 4444588792), (4, 2222294396), (7, 1269882512), (8, 1111147198), (14, 634941256), (16, 555573599), (28, 317470628), (31, 286747664), (56, 158735314), (62, 143373832), (112, 79367657), (124, 71686916), (217, 40963952), (248, 35843458), (434, 20481976), (496, 17921729), (868, 10240988), (1736, 5120494), (3472, 2560247)]