257788178596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^2\times {\mathrm{1193}}^1$

素因数の和:1693

約数の個数: 72

約数和(自身を含む): 492450852600

約数和(自身を除く): 234662674004

約数列:

[1, 2, 4, 13, 26, 52, 149, 167, 298, 334, 596, 668, 1193, 1937, 2171, 2386, 3874, 4342, 4772, 7748, 8684, 15509, 24883, 27889, 31018, 49766, 55778, 62036, 99532, 111556, 177757, 199231, 323479, 355514, 362557, 398462, 646958, 711028, 725114, 796924, 1293916, 1450228, 2310841, 2590003, 4155461, 4621682, 5180006, 8310922, 9243364, 10360012, 16621844, 29685419, 33271577, 54020993, 59370838, 66543154, 108041986, 118741676, 133086308, 216083972, 385910447, 432530501, 771820894, 865061002, 1543641788, 1730122004, 4957464973, 9914929946, 19829859892, 64447044649, 128894089298, 257788178596]

約数ペア:

[(1, 257788178596), (2, 128894089298), (4, 64447044649), (13, 19829859892), (26, 9914929946), (52, 4957464973), (149, 1730122004), (167, 1543641788), (298, 865061002), (334, 771820894), (596, 432530501), (668, 385910447), (1193, 216083972), (1937, 133086308), (2171, 118741676), (2386, 108041986), (3874, 66543154), (4342, 59370838), (4772, 54020993), (7748, 33271577), (8684, 29685419), (15509, 16621844), (24883, 10360012), (27889, 9243364), (31018, 8310922), (49766, 5180006), (55778, 4621682), (62036, 4155461), (99532, 2590003), (111556, 2310841), (177757, 1450228), (199231, 1293916), (323479, 796924), (355514, 725114), (362557, 711028), (398462, 646958)]