65531988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 175812000

約数和(自身を除く): 110280012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 149, 171, 228, 298, 342, 447, 596, 643, 684, 894, 1286, 1341, 1788, 1929, 2572, 2682, 2831, 3858, 5364, 5662, 5787, 7716, 8493, 11324, 11574, 12217, 16986, 23148, 24434, 25479, 33972, 36651, 48868, 50958, 73302, 95807, 101916, 109953, 146604, 191614, 219906, 287421, 383228, 439812, 574842, 862263, 1149684, 1724526, 1820333, 3449052, 3640666, 5460999, 7281332, 10921998, 16382997, 21843996, 32765994, 65531988]

約数ペア:

[(1, 65531988), (2, 32765994), (3, 21843996), (4, 16382997), (6, 10921998), (9, 7281332), (12, 5460999), (18, 3640666), (19, 3449052), (36, 1820333), (38, 1724526), (57, 1149684), (76, 862263), (114, 574842), (149, 439812), (171, 383228), (228, 287421), (298, 219906), (342, 191614), (447, 146604), (596, 109953), (643, 101916), (684, 95807), (894, 73302), (1286, 50958), (1341, 48868), (1788, 36651), (1929, 33972), (2572, 25479), (2682, 24434), (2831, 23148), (3858, 16986), (5364, 12217), (5662, 11574), (5787, 11324), (7716, 8493)]