28057458

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 67277952

約数和(自身を除く): 39220494

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 53, 66, 78, 106, 143, 159, 286, 318, 429, 583, 617, 689, 858, 1166, 1234, 1378, 1749, 1851, 2067, 3498, 3702, 4134, 6787, 7579, 8021, 13574, 15158, 16042, 20361, 22737, 24063, 32701, 40722, 45474, 48126, 65402, 88231, 98103, 176462, 196206, 264693, 359711, 425113, 529386, 719422, 850226, 1079133, 1275339, 2158266, 2550678, 4676243, 9352486, 14028729, 28057458]

約数ペア:

[(1, 28057458), (2, 14028729), (3, 9352486), (6, 4676243), (11, 2550678), (13, 2158266), (22, 1275339), (26, 1079133), (33, 850226), (39, 719422), (53, 529386), (66, 425113), (78, 359711), (106, 264693), (143, 196206), (159, 176462), (286, 98103), (318, 88231), (429, 65402), (583, 48126), (617, 45474), (689, 40722), (858, 32701), (1166, 24063), (1234, 22737), (1378, 20361), (1749, 16042), (1851, 15158), (2067, 13574), (3498, 8021), (3702, 7579), (4134, 6787)]