908128921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 1116200960

約数和(自身を除く): 208072039

約数列:

[1, 7, 19, 67, 133, 223, 457, 469, 1273, 1561, 3199, 4237, 8683, 8911, 14941, 29659, 30619, 60781, 101911, 104587, 214333, 283879, 581761, 713377, 1936309, 1987153, 4072327, 6828037, 13554163, 47796259, 129732703, 908128921]

約数ペア:

[(1, 908128921), (7, 129732703), (19, 47796259), (67, 13554163), (133, 6828037), (223, 4072327), (457, 1987153), (469, 1936309), (1273, 713377), (1561, 581761), (3199, 283879), (4237, 214333), (8683, 104587), (8911, 101911), (14941, 60781), (29659, 30619)]