210855388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{2543}}^1$

素因数の和:3657

約数の個数: 24

約数和(自身を含む): 388926720

約数和(自身を除く): 178071332

約数列:

[1, 2, 4, 19, 38, 76, 1091, 2182, 2543, 4364, 5086, 10172, 20729, 41458, 48317, 82916, 96634, 193268, 2774413, 5548826, 11097652, 52713847, 105427694, 210855388]

約数ペア:

[(1, 210855388), (2, 105427694), (4, 52713847), (19, 11097652), (38, 5548826), (76, 2774413), (1091, 193268), (2182, 96634), (2543, 82916), (4364, 48317), (5086, 41458), (10172, 20729)]