13751388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 40072032

約数和(自身を除く): 26320644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 277, 394, 554, 591, 788, 831, 1108, 1182, 1379, 1662, 1773, 1939, 2364, 2493, 2758, 3324, 3546, 3878, 4137, 4986, 5516, 5817, 7092, 7756, 8274, 9972, 11634, 12411, 16548, 17451, 23268, 24822, 34902, 49644, 54569, 69804, 109138, 163707, 218276, 327414, 381983, 491121, 654828, 763966, 982242, 1145949, 1527932, 1964484, 2291898, 3437847, 4583796, 6875694, 13751388]

約数ペア:

[(1, 13751388), (2, 6875694), (3, 4583796), (4, 3437847), (6, 2291898), (7, 1964484), (9, 1527932), (12, 1145949), (14, 982242), (18, 763966), (21, 654828), (28, 491121), (36, 381983), (42, 327414), (63, 218276), (84, 163707), (126, 109138), (197, 69804), (252, 54569), (277, 49644), (394, 34902), (554, 24822), (591, 23268), (788, 17451), (831, 16548), (1108, 12411), (1182, 11634), (1379, 9972), (1662, 8274), (1773, 7756), (1939, 7092), (2364, 5817), (2493, 5516), (2758, 4986), (3324, 4137), (3546, 3878)]