128972772

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{709}}^1$

素因数の和:913

約数の個数: 72

約数和(自身を含む): 339073280

約数和(自身を除く): 210100508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 163, 186, 279, 326, 372, 489, 558, 652, 709, 978, 1116, 1418, 1467, 1956, 2127, 2836, 2934, 4254, 5053, 5868, 6381, 8508, 10106, 12762, 15159, 20212, 21979, 25524, 30318, 43958, 45477, 60636, 65937, 87916, 90954, 115567, 131874, 181908, 197811, 231134, 263748, 346701, 395622, 462268, 693402, 791244, 1040103, 1386804, 2080206, 3582577, 4160412, 7165154, 10747731, 14330308, 21495462, 32243193, 42990924, 64486386, 128972772]

約数ペア:

[(1, 128972772), (2, 64486386), (3, 42990924), (4, 32243193), (6, 21495462), (9, 14330308), (12, 10747731), (18, 7165154), (31, 4160412), (36, 3582577), (62, 2080206), (93, 1386804), (124, 1040103), (163, 791244), (186, 693402), (279, 462268), (326, 395622), (372, 346701), (489, 263748), (558, 231134), (652, 197811), (709, 181908), (978, 131874), (1116, 115567), (1418, 90954), (1467, 87916), (1956, 65937), (2127, 60636), (2836, 45477), (2934, 43958), (4254, 30318), (5053, 25524), (5868, 21979), (6381, 20212), (8508, 15159), (10106, 12762)]