72128758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 121165632

約数和(自身を除く): 49036874

約数列:

[1, 2, 13, 26, 41, 71, 82, 142, 533, 923, 953, 1066, 1846, 1906, 2911, 5822, 12389, 24778, 37843, 39073, 67663, 75686, 78146, 135326, 507949, 879619, 1015898, 1759238, 2774183, 5548366, 36064379, 72128758]

約数ペア:

[(1, 72128758), (2, 36064379), (13, 5548366), (26, 2774183), (41, 1759238), (71, 1015898), (82, 879619), (142, 507949), (533, 135326), (923, 78146), (953, 75686), (1066, 67663), (1846, 39073), (1906, 37843), (2911, 24778), (5822, 12389)]