27779444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 38022796

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 47, 76, 77, 94, 101, 133, 154, 188, 202, 209, 266, 308, 329, 404, 418, 517, 532, 658, 707, 836, 893, 1034, 1111, 1316, 1414, 1463, 1786, 1919, 2068, 2222, 2828, 2926, 3572, 3619, 3838, 4444, 4747, 5852, 6251, 7238, 7676, 7777, 9494, 9823, 12502, 13433, 14476, 15554, 18988, 19646, 21109, 25004, 26866, 31108, 33229, 39292, 42218, 52217, 53732, 66458, 68761, 84436, 90193, 104434, 132916, 137522, 147763, 180386, 208868, 275044, 295526, 360772, 365519, 591052, 631351, 731038, 992123, 1262702, 1462076, 1984246, 2525404, 3968492, 6944861, 13889722, 27779444]

約数ペア:

[(1, 27779444), (2, 13889722), (4, 6944861), (7, 3968492), (11, 2525404), (14, 1984246), (19, 1462076), (22, 1262702), (28, 992123), (38, 731038), (44, 631351), (47, 591052), (76, 365519), (77, 360772), (94, 295526), (101, 275044), (133, 208868), (154, 180386), (188, 147763), (202, 137522), (209, 132916), (266, 104434), (308, 90193), (329, 84436), (404, 68761), (418, 66458), (517, 53732), (532, 52217), (658, 42218), (707, 39292), (836, 33229), (893, 31108), (1034, 26866), (1111, 25004), (1316, 21109), (1414, 19646), (1463, 18988), (1786, 15554), (1919, 14476), (2068, 13433), (2222, 12502), (2828, 9823), (2926, 9494), (3572, 7777), (3619, 7676), (3838, 7238), (4444, 6251), (4747, 5852)]