128225464

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{373}}^1\times {\mathrm{443}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 244102320

約数和(自身を除く): 115876856

約数列:

[1, 2, 4, 8, 97, 194, 373, 388, 443, 746, 776, 886, 1492, 1772, 2984, 3544, 36181, 42971, 72362, 85942, 144724, 165239, 171884, 289448, 330478, 343768, 660956, 1321912, 16028183, 32056366, 64112732, 128225464]

約数ペア:

[(1, 128225464), (2, 64112732), (4, 32056366), (8, 16028183), (97, 1321912), (194, 660956), (373, 343768), (388, 330478), (443, 289448), (746, 171884), (776, 165239), (886, 144724), (1492, 85942), (1772, 72362), (2984, 42971), (3544, 36181)]