88681990

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{19751}}^1$

素因数の和:20207

約数の個数: 16

約数和(自身を含む): 159991200

約数和(自身を除く): 71309210

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 19751, 39502, 98755, 197510, 8868199, 17736398, 44340995, 88681990]

約数ペア:

[(1, 88681990), (2, 44340995), (5, 17736398), (10, 8868199), (449, 197510), (898, 98755), (2245, 39502), (4490, 19751)]