220971312

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{21613}}^1$

素因数の和:21698

約数の個数: 60

約数和(自身を含む): 627151824

約数和(自身を除く): 406180512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5112, 10224, 21613, 43226, 64839, 86452, 129678, 172904, 194517, 259356, 345808, 389034, 518712, 778068, 1037424, 1534523, 1556136, 3069046, 3112272, 4603569, 6138092, 9207138, 12276184, 13810707, 18414276, 24552368, 27621414, 36828552, 55242828, 73657104, 110485656, 220971312]

約数ペア:

[(1, 220971312), (2, 110485656), (3, 73657104), (4, 55242828), (6, 36828552), (8, 27621414), (9, 24552368), (12, 18414276), (16, 13810707), (18, 12276184), (24, 9207138), (36, 6138092), (48, 4603569), (71, 3112272), (72, 3069046), (142, 1556136), (144, 1534523), (213, 1037424), (284, 778068), (426, 518712), (568, 389034), (639, 345808), (852, 259356), (1136, 194517), (1278, 172904), (1704, 129678), (2556, 86452), (3408, 64839), (5112, 43226), (10224, 21613)]