81468808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7549}}^1$

素因数の和:7645

約数の個数: 32

約数和(自身を含む): 163080000

約数和(自身を除く): 81611192

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 2698, 5396, 7549, 10792, 15098, 30196, 60392, 143431, 286862, 535979, 573724, 1071958, 1147448, 2143916, 4287832, 10183601, 20367202, 40734404, 81468808]

約数ペア:

[(1, 81468808), (2, 40734404), (4, 20367202), (8, 10183601), (19, 4287832), (38, 2143916), (71, 1147448), (76, 1071958), (142, 573724), (152, 535979), (284, 286862), (568, 143431), (1349, 60392), (2698, 30196), (5396, 15098), (7549, 10792)]