128285208

素因数分解:

$2^3\times 3^4\times {\mathrm{197971}}^1$

素因数の和:197989

約数の個数: 40

約数和(自身を含む): 359319180

約数和(自身を除く): 231033972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 197971, 395942, 593913, 791884, 1187826, 1583768, 1781739, 2375652, 3563478, 4751304, 5345217, 7126956, 10690434, 14253912, 16035651, 21380868, 32071302, 42761736, 64142604, 128285208]

約数ペア:

[(1, 128285208), (2, 64142604), (3, 42761736), (4, 32071302), (6, 21380868), (8, 16035651), (9, 14253912), (12, 10690434), (18, 7126956), (24, 5345217), (27, 4751304), (36, 3563478), (54, 2375652), (72, 1781739), (81, 1583768), (108, 1187826), (162, 791884), (216, 593913), (324, 395942), (648, 197971)]