12987078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 29804544

約数和(自身を除く): 16817466

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 41, 62, 78, 82, 93, 123, 131, 186, 246, 262, 393, 403, 533, 786, 806, 1066, 1209, 1271, 1599, 1703, 2418, 2542, 3198, 3406, 3813, 4061, 5109, 5371, 7626, 8122, 10218, 10742, 12183, 16113, 16523, 24366, 32226, 33046, 49569, 52793, 69823, 99138, 105586, 139646, 158379, 166501, 209469, 316758, 333002, 418938, 499503, 999006, 2164513, 4329026, 6493539, 12987078]

約数ペア:

[(1, 12987078), (2, 6493539), (3, 4329026), (6, 2164513), (13, 999006), (26, 499503), (31, 418938), (39, 333002), (41, 316758), (62, 209469), (78, 166501), (82, 158379), (93, 139646), (123, 105586), (131, 99138), (186, 69823), (246, 52793), (262, 49569), (393, 33046), (403, 32226), (533, 24366), (786, 16523), (806, 16113), (1066, 12183), (1209, 10742), (1271, 10218), (1599, 8122), (1703, 7626), (2418, 5371), (2542, 5109), (3198, 4061), (3406, 3813)]