128784848

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{110261}}^1$

素因数の和:110342

約数の個数: 20

約数和(自身を含む): 252941028

約数和(自身を除く): 124156180

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 110261, 220522, 441044, 882088, 1764176, 8049053, 16098106, 32196212, 64392424, 128784848]

約数ペア:

[(1, 128784848), (2, 64392424), (4, 32196212), (8, 16098106), (16, 8049053), (73, 1764176), (146, 882088), (292, 441044), (584, 220522), (1168, 110261)]