991458

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 2446080

約数和(自身を除く): 1454622

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 223, 234, 247, 342, 446, 494, 669, 741, 1338, 1482, 2007, 2223, 2899, 4014, 4237, 4446, 5798, 8474, 8697, 12711, 17394, 25422, 26091, 38133, 52182, 55081, 76266, 110162, 165243, 330486, 495729, 991458]

約数ペア:

[(1, 991458), (2, 495729), (3, 330486), (6, 165243), (9, 110162), (13, 76266), (18, 55081), (19, 52182), (26, 38133), (38, 26091), (39, 25422), (57, 17394), (78, 12711), (114, 8697), (117, 8474), (171, 5798), (223, 4446), (234, 4237), (247, 4014), (342, 2899), (446, 2223), (494, 2007), (669, 1482), (741, 1338)]