819913302

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{409}}^1\times {\mathrm{659}}^1$

素因数の和:1102

約数の個数: 72

約数和(自身を含む): 1931272200

約数和(自身を除く): 1111358898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 409, 507, 659, 818, 1014, 1227, 1318, 1521, 1977, 2454, 3042, 3681, 3954, 5317, 5931, 7362, 8567, 10634, 11862, 15951, 17134, 25701, 31902, 47853, 51402, 69121, 77103, 95706, 111371, 138242, 154206, 207363, 222742, 269531, 334113, 414726, 539062, 622089, 668226, 808593, 1002339, 1244178, 1617186, 2004678, 2425779, 3503903, 4851558, 7007806, 10511709, 21023418, 31535127, 45550739, 63070254, 91101478, 136652217, 273304434, 409956651, 819913302]

約数ペア:

[(1, 819913302), (2, 409956651), (3, 273304434), (6, 136652217), (9, 91101478), (13, 63070254), (18, 45550739), (26, 31535127), (39, 21023418), (78, 10511709), (117, 7007806), (169, 4851558), (234, 3503903), (338, 2425779), (409, 2004678), (507, 1617186), (659, 1244178), (818, 1002339), (1014, 808593), (1227, 668226), (1318, 622089), (1521, 539062), (1977, 414726), (2454, 334113), (3042, 269531), (3681, 222742), (3954, 207363), (5317, 154206), (5931, 138242), (7362, 111371), (8567, 95706), (10634, 77103), (11862, 69121), (15951, 51402), (17134, 47853), (25701, 31902)]