213835439

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{881}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 228360384

約数和(自身を除く): 14524945

約数列:

[1, 23, 61, 173, 881, 1403, 3979, 10553, 20263, 53741, 152413, 242719, 1236043, 3505499, 9297193, 213835439]

約数ペア:

[(1, 213835439), (23, 9297193), (61, 3505499), (173, 1236043), (881, 242719), (1403, 152413), (3979, 53741), (10553, 20263)]