211344978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 460053216

約数和(自身を除く): 248708238

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 257, 338, 507, 514, 771, 811, 1014, 1542, 1622, 2433, 3341, 4866, 6682, 10023, 10543, 20046, 21086, 31629, 43433, 63258, 86866, 130299, 137059, 208427, 260598, 274118, 411177, 416854, 625281, 822354, 1250562, 2709551, 5419102, 8128653, 16257306, 35224163, 70448326, 105672489, 211344978]

約数ペア:

[(1, 211344978), (2, 105672489), (3, 70448326), (6, 35224163), (13, 16257306), (26, 8128653), (39, 5419102), (78, 2709551), (169, 1250562), (257, 822354), (338, 625281), (507, 416854), (514, 411177), (771, 274118), (811, 260598), (1014, 208427), (1542, 137059), (1622, 130299), (2433, 86866), (3341, 63258), (4866, 43433), (6682, 31629), (10023, 21086), (10543, 20046)]