123408908

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 252698880

約数和(自身を除く): 129289972

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 157, 268, 314, 419, 469, 628, 838, 938, 1099, 1676, 1876, 2198, 2933, 4396, 5866, 10519, 11732, 21038, 28073, 42076, 56146, 65783, 73633, 112292, 131566, 147266, 196511, 263132, 294532, 393022, 460481, 786044, 920962, 1841924, 4407461, 8814922, 17629844, 30852227, 61704454, 123408908]

約数ペア:

[(1, 123408908), (2, 61704454), (4, 30852227), (7, 17629844), (14, 8814922), (28, 4407461), (67, 1841924), (134, 920962), (157, 786044), (268, 460481), (314, 393022), (419, 294532), (469, 263132), (628, 196511), (838, 147266), (938, 131566), (1099, 112292), (1676, 73633), (1876, 65783), (2198, 56146), (2933, 42076), (4396, 28073), (5866, 21038), (10519, 11732)]