260812778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{523}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 421497216

約数和(自身を除く): 160684438

約数列:

[1, 2, 23, 37, 46, 74, 293, 523, 586, 851, 1046, 1702, 6739, 10841, 12029, 13478, 19351, 21682, 24058, 38702, 153239, 249343, 306478, 445073, 498686, 890146, 3524497, 5669843, 7048994, 11339686, 130406389, 260812778]

約数ペア:

[(1, 260812778), (2, 130406389), (23, 11339686), (37, 7048994), (46, 5669843), (74, 3524497), (293, 890146), (523, 498686), (586, 445073), (851, 306478), (1046, 249343), (1702, 153239), (6739, 38702), (10841, 24058), (12029, 21682), (13478, 19351)]