81469944

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15937}}^1$

素因数の和:16020

約数の個数: 48

約数和(自身を含む): 223769520

約数和(自身を除く): 142299576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 15937, 31874, 47811, 63748, 95622, 127496, 143433, 191244, 286866, 382488, 573732, 1131527, 1147464, 2263054, 3394581, 4526108, 6789162, 9052216, 10183743, 13578324, 20367486, 27156648, 40734972, 81469944]

約数ペア:

[(1, 81469944), (2, 40734972), (3, 27156648), (4, 20367486), (6, 13578324), (8, 10183743), (9, 9052216), (12, 6789162), (18, 4526108), (24, 3394581), (36, 2263054), (71, 1147464), (72, 1131527), (142, 573732), (213, 382488), (284, 286866), (426, 191244), (568, 143433), (639, 127496), (852, 95622), (1278, 63748), (1704, 47811), (2556, 31874), (5112, 15937)]