128309538

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{436427}}^1$

素因数の和:436446

約数の個数: 24

約数和(自身を含む): 298516752

約数和(自身を除く): 170207214

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 436427, 872854, 1309281, 2618562, 3054989, 6109978, 9164967, 18329934, 21384923, 42769846, 64154769, 128309538]

約数ペア:

[(1, 128309538), (2, 64154769), (3, 42769846), (6, 21384923), (7, 18329934), (14, 9164967), (21, 6109978), (42, 3054989), (49, 2618562), (98, 1309281), (147, 872854), (294, 436427)]