51215944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25919}}^1$

素因数の和:25957

約数の個数: 32

約数和(自身を含む): 108864000

約数和(自身を除く): 57648056

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 25919, 51838, 103676, 207352, 336947, 492461, 673894, 984922, 1347788, 1969844, 2695576, 3939688, 6401993, 12803986, 25607972, 51215944]

約数ペア:

[(1, 51215944), (2, 25607972), (4, 12803986), (8, 6401993), (13, 3939688), (19, 2695576), (26, 1969844), (38, 1347788), (52, 984922), (76, 673894), (104, 492461), (152, 336947), (247, 207352), (494, 103676), (988, 51838), (1976, 25919)]