78206778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 72

約数和(自身を含む): 187731648

約数和(自身を除く): 109524870

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 169, 234, 282, 338, 423, 507, 547, 611, 846, 1014, 1094, 1222, 1521, 1641, 1833, 3042, 3282, 3666, 4923, 5499, 7111, 7943, 9846, 10998, 14222, 15886, 21333, 23829, 25709, 42666, 47658, 51418, 63999, 71487, 77127, 92443, 127998, 142974, 154254, 184886, 231381, 277329, 334217, 462762, 554658, 668434, 831987, 1002651, 1663974, 2005302, 3007953, 4344821, 6015906, 8689642, 13034463, 26068926, 39103389, 78206778]

約数ペア:

[(1, 78206778), (2, 39103389), (3, 26068926), (6, 13034463), (9, 8689642), (13, 6015906), (18, 4344821), (26, 3007953), (39, 2005302), (47, 1663974), (78, 1002651), (94, 831987), (117, 668434), (141, 554658), (169, 462762), (234, 334217), (282, 277329), (338, 231381), (423, 184886), (507, 154254), (547, 142974), (611, 127998), (846, 92443), (1014, 77127), (1094, 71487), (1222, 63999), (1521, 51418), (1641, 47658), (1833, 42666), (3042, 25709), (3282, 23829), (3666, 21333), (4923, 15886), (5499, 14222), (7111, 10998), (7943, 9846)]