199916388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4027}}^1$

素因数の和:4241

約数の個数: 72

約数和(自身を含む): 580612032

約数和(自身を除く): 380695644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1773, 2364, 2758, 3546, 4027, 4137, 5516, 7092, 8054, 8274, 12081, 12411, 16108, 16548, 24162, 24822, 28189, 36243, 48324, 49644, 56378, 72486, 84567, 112756, 144972, 169134, 253701, 338268, 507402, 793319, 1014804, 1586638, 2379957, 3173276, 4759914, 5553233, 7139871, 9519828, 11106466, 14279742, 16659699, 22212932, 28559484, 33319398, 49979097, 66638796, 99958194, 199916388]

約数ペア:

[(1, 199916388), (2, 99958194), (3, 66638796), (4, 49979097), (6, 33319398), (7, 28559484), (9, 22212932), (12, 16659699), (14, 14279742), (18, 11106466), (21, 9519828), (28, 7139871), (36, 5553233), (42, 4759914), (63, 3173276), (84, 2379957), (126, 1586638), (197, 1014804), (252, 793319), (394, 507402), (591, 338268), (788, 253701), (1182, 169134), (1379, 144972), (1773, 112756), (2364, 84567), (2758, 72486), (3546, 56378), (4027, 49644), (4137, 48324), (5516, 36243), (7092, 28189), (8054, 24822), (8274, 24162), (12081, 16548), (12411, 16108)]