253154252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 504668640

約数和(自身を除く): 251514388

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 257, 494, 514, 988, 997, 1028, 1994, 3341, 3988, 4883, 6682, 9766, 12961, 13364, 18943, 19532, 25922, 37886, 51844, 63479, 75772, 126958, 246259, 253916, 256229, 492518, 512458, 985036, 1024916, 3330977, 4868351, 6661954, 9736702, 13323908, 19473404, 63288563, 126577126, 253154252]

約数ペア:

[(1, 253154252), (2, 126577126), (4, 63288563), (13, 19473404), (19, 13323908), (26, 9736702), (38, 6661954), (52, 4868351), (76, 3330977), (247, 1024916), (257, 985036), (494, 512458), (514, 492518), (988, 256229), (997, 253916), (1028, 246259), (1994, 126958), (3341, 75772), (3988, 63479), (4883, 51844), (6682, 37886), (9766, 25922), (12961, 19532), (13364, 18943)]