631850128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{433963}}^1$

素因数の和:433991

約数の個数: 40

約数和(自身を含む): 1506723008

約数和(自身を除く): 874872880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 433963, 867926, 1735852, 3037741, 3471704, 5641519, 6075482, 6943408, 11283038, 12150964, 22566076, 24301928, 39490633, 45132152, 48603856, 78981266, 90264304, 157962532, 315925064, 631850128]

約数ペア:

[(1, 631850128), (2, 315925064), (4, 157962532), (7, 90264304), (8, 78981266), (13, 48603856), (14, 45132152), (16, 39490633), (26, 24301928), (28, 22566076), (52, 12150964), (56, 11283038), (91, 6943408), (104, 6075482), (112, 5641519), (182, 3471704), (208, 3037741), (364, 1735852), (728, 867926), (1456, 433963)]