644247972

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{313961}}^1$

素因数の和:313993

約数の個数: 48

約数和(自身を含む): 1758187200

約数和(自身を除く): 1113939228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 313961, 627922, 941883, 1255844, 1883766, 2825649, 3767532, 5651298, 5965259, 8476947, 11302596, 11930518, 16953894, 17895777, 23861036, 33907788, 35791554, 53687331, 71583108, 107374662, 161061993, 214749324, 322123986, 644247972]

約数ペア:

[(1, 644247972), (2, 322123986), (3, 214749324), (4, 161061993), (6, 107374662), (9, 71583108), (12, 53687331), (18, 35791554), (19, 33907788), (27, 23861036), (36, 17895777), (38, 16953894), (54, 11930518), (57, 11302596), (76, 8476947), (108, 5965259), (114, 5651298), (171, 3767532), (228, 2825649), (342, 1883766), (513, 1255844), (684, 941883), (1026, 627922), (2052, 313961)]