211319748

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1361}}^1$

素因数の和:1617

約数の個数: 72

約数和(自身を含む): 565175520

約数和(自身を除く): 353855772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 227, 228, 342, 454, 681, 684, 908, 1361, 1362, 2043, 2722, 2724, 4083, 4086, 4313, 5444, 8166, 8172, 8626, 12249, 12939, 16332, 17252, 24498, 25859, 25878, 38817, 48996, 51718, 51756, 77577, 77634, 103436, 155154, 155268, 232731, 308947, 310308, 465462, 617894, 926841, 930924, 1235788, 1853682, 2780523, 3707364, 5561046, 5869993, 11122092, 11739986, 17609979, 23479972, 35219958, 52829937, 70439916, 105659874, 211319748]

約数ペア:

[(1, 211319748), (2, 105659874), (3, 70439916), (4, 52829937), (6, 35219958), (9, 23479972), (12, 17609979), (18, 11739986), (19, 11122092), (36, 5869993), (38, 5561046), (57, 3707364), (76, 2780523), (114, 1853682), (171, 1235788), (227, 930924), (228, 926841), (342, 617894), (454, 465462), (681, 310308), (684, 308947), (908, 232731), (1361, 155268), (1362, 155154), (2043, 103436), (2722, 77634), (2724, 77577), (4083, 51756), (4086, 51718), (4313, 48996), (5444, 38817), (8166, 25878), (8172, 25859), (8626, 24498), (12249, 17252), (12939, 16332)]