1889726545

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 2810626560

約数和(自身を除く): 920900015

約数列:

[1, 5, 7, 17, 35, 73, 85, 119, 139, 313, 365, 511, 595, 695, 973, 1241, 1565, 2191, 2363, 2555, 4865, 5321, 6205, 8687, 10147, 10955, 11815, 16541, 22849, 26605, 37247, 43435, 43507, 50735, 71029, 82705, 114245, 159943, 172499, 186235, 217535, 304549, 355145, 388433, 739619, 799715, 862495, 1207493, 1522745, 1942165, 2719031, 3176011, 3698095, 5177333, 6037465, 13595155, 15880055, 22232077, 25886665, 53992187, 111160385, 269960935, 377945309, 1889726545]

約数ペア:

[(1, 1889726545), (5, 377945309), (7, 269960935), (17, 111160385), (35, 53992187), (73, 25886665), (85, 22232077), (119, 15880055), (139, 13595155), (313, 6037465), (365, 5177333), (511, 3698095), (595, 3176011), (695, 2719031), (973, 1942165), (1241, 1522745), (1565, 1207493), (2191, 862495), (2363, 799715), (2555, 739619), (4865, 388433), (5321, 355145), (6205, 304549), (8687, 217535), (10147, 186235), (10955, 172499), (11815, 159943), (16541, 114245), (22849, 82705), (26605, 71029), (37247, 50735), (43435, 43507)]