131019385

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{23251}}^1$

素因数の和:23293

約数の個数: 24

約数和(自身を含む): 190852416

約数和(自身を除く): 59833031

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5635, 23251, 116255, 162757, 534773, 813785, 1139299, 2673865, 3743411, 5696495, 18717055, 26203877, 131019385]

約数ペア:

[(1, 131019385), (5, 26203877), (7, 18717055), (23, 5696495), (35, 3743411), (49, 2673865), (115, 1139299), (161, 813785), (245, 534773), (805, 162757), (1127, 116255), (5635, 23251)]