31397645

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 41499648

約数和(自身を除く): 10102003

約数列:

[1, 5, 23, 37, 47, 115, 157, 185, 235, 785, 851, 1081, 1739, 3611, 4255, 5405, 5809, 7379, 8695, 18055, 29045, 36895, 39997, 133607, 169717, 199985, 273023, 668035, 848585, 1365115, 6279529, 31397645]

約数ペア:

[(1, 31397645), (5, 6279529), (23, 1365115), (37, 848585), (47, 668035), (115, 273023), (157, 199985), (185, 169717), (235, 133607), (785, 39997), (851, 36895), (1081, 29045), (1739, 18055), (3611, 8695), (4255, 7379), (5405, 5809)]