216906805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 277603200

約数和(自身を除く): 60696395

約数列:

[1, 5, 29, 67, 83, 145, 269, 335, 415, 1345, 1943, 2407, 5561, 7801, 9715, 12035, 18023, 22327, 27805, 39005, 90115, 111635, 161269, 522667, 647483, 806345, 1495909, 2613335, 3237415, 7479545, 43381361, 216906805]

約数ペア:

[(1, 216906805), (5, 43381361), (29, 7479545), (67, 3237415), (83, 2613335), (145, 1495909), (269, 806345), (335, 647483), (415, 522667), (1345, 161269), (1943, 111635), (2407, 90115), (5561, 39005), (7801, 27805), (9715, 22327), (12035, 18023)]