64947568

素因数分解:

$2^4\times 7^1\times {\mathrm{631}}^1\times {\mathrm{919}}^1$

素因数の和:1565

約数の個数: 40

約数和(自身を含む): 144197120

約数和(自身を除く): 79249552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 631, 919, 1262, 1838, 2524, 3676, 4417, 5048, 6433, 7352, 8834, 10096, 12866, 14704, 17668, 25732, 35336, 51464, 70672, 102928, 579889, 1159778, 2319556, 4059223, 4639112, 8118446, 9278224, 16236892, 32473784, 64947568]

約数ペア:

[(1, 64947568), (2, 32473784), (4, 16236892), (7, 9278224), (8, 8118446), (14, 4639112), (16, 4059223), (28, 2319556), (56, 1159778), (112, 579889), (631, 102928), (919, 70672), (1262, 51464), (1838, 35336), (2524, 25732), (3676, 17668), (4417, 14704), (5048, 12866), (6433, 10096), (7352, 8834)]