128007776

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{307711}}^1$

素因数の和:307734

約数の個数: 24

約数和(自身を含む): 271401984

約数和(自身を除く): 143394208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 307711, 615422, 1230844, 2461688, 4000243, 4923376, 8000486, 9846752, 16000972, 32001944, 64003888, 128007776]

約数ペア:

[(1, 128007776), (2, 64003888), (4, 32001944), (8, 16000972), (13, 9846752), (16, 8000486), (26, 4923376), (32, 4000243), (52, 2461688), (104, 1230844), (208, 615422), (416, 307711)]