248889417

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 428421120

約数和(自身を除く): 179531703

約数列:

[1, 3, 7, 19, 21, 23, 37, 57, 69, 111, 133, 161, 259, 399, 437, 483, 703, 733, 777, 851, 1311, 2109, 2199, 2553, 3059, 4921, 5131, 5957, 9177, 13927, 14763, 15393, 16169, 16859, 17871, 27121, 41781, 48507, 50577, 81363, 97489, 113183, 118013, 189847, 292467, 320321, 339549, 354039, 515299, 569541, 623783, 960963, 1545897, 1871349, 2242247, 3607093, 4366481, 6726741, 10821279, 11851877, 13099443, 35555631, 82963139, 248889417]

約数ペア:

[(1, 248889417), (3, 82963139), (7, 35555631), (19, 13099443), (21, 11851877), (23, 10821279), (37, 6726741), (57, 4366481), (69, 3607093), (111, 2242247), (133, 1871349), (161, 1545897), (259, 960963), (399, 623783), (437, 569541), (483, 515299), (703, 354039), (733, 339549), (777, 320321), (851, 292467), (1311, 189847), (2109, 118013), (2199, 113183), (2553, 97489), (3059, 81363), (4921, 50577), (5131, 48507), (5957, 41781), (9177, 27121), (13927, 17871), (14763, 16859), (15393, 16169)]