131451490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{4673}}^1$

素因数の和:4806

約数の個数: 32

約数和(自身を含む): 247348080

約数和(自身を除く): 115896590

約数列:

[1, 2, 5, 10, 29, 58, 97, 145, 194, 290, 485, 970, 2813, 4673, 5626, 9346, 14065, 23365, 28130, 46730, 135517, 271034, 453281, 677585, 906562, 1355170, 2266405, 4532810, 13145149, 26290298, 65725745, 131451490]

約数ペア:

[(1, 131451490), (2, 65725745), (5, 26290298), (10, 13145149), (29, 4532810), (58, 2266405), (97, 1355170), (145, 906562), (194, 677585), (290, 453281), (485, 271034), (970, 135517), (2813, 46730), (4673, 28130), (5626, 23365), (9346, 14065)]