521504645

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 673339392

約数和(自身を除く): 151834747

約数列:

[1, 5, 23, 43, 115, 163, 215, 647, 815, 989, 3235, 3749, 4945, 7009, 14881, 18745, 27821, 35045, 74405, 105461, 139105, 161207, 527305, 639883, 806035, 2425603, 3199415, 4534823, 12128015, 22674115, 104300929, 521504645]

約数ペア:

[(1, 521504645), (5, 104300929), (23, 22674115), (43, 12128015), (115, 4534823), (163, 3199415), (215, 2425603), (647, 806035), (815, 639883), (989, 527305), (3235, 161207), (3749, 139105), (4945, 105461), (7009, 74405), (14881, 35045), (18745, 27821)]