268653008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67979}}^1$

素因数の和:68019

約数の個数: 40

約数和(自身を含む): 590066400

約数和(自身を除く): 321413392

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 67979, 135958, 271916, 543832, 883727, 1087664, 1291601, 1767454, 2583202, 3534908, 5166404, 7069816, 10332808, 14139632, 16790813, 20665616, 33581626, 67163252, 134326504, 268653008]

約数ペア:

[(1, 268653008), (2, 134326504), (4, 67163252), (8, 33581626), (13, 20665616), (16, 16790813), (19, 14139632), (26, 10332808), (38, 7069816), (52, 5166404), (76, 3534908), (104, 2583202), (152, 1767454), (208, 1291601), (247, 1087664), (304, 883727), (494, 543832), (988, 271916), (1976, 135958), (3952, 67979)]