13959988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 29756160

約数和(自身を除く): 15796172

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 212, 322, 371, 409, 644, 742, 818, 1219, 1484, 1636, 2438, 2863, 4876, 5726, 8533, 9407, 11452, 17066, 18814, 21677, 34132, 37628, 43354, 65849, 86708, 131698, 151739, 263396, 303478, 498571, 606956, 997142, 1994284, 3489997, 6979994, 13959988]

約数ペア:

[(1, 13959988), (2, 6979994), (4, 3489997), (7, 1994284), (14, 997142), (23, 606956), (28, 498571), (46, 303478), (53, 263396), (92, 151739), (106, 131698), (161, 86708), (212, 65849), (322, 43354), (371, 37628), (409, 34132), (644, 21677), (742, 18814), (818, 17066), (1219, 11452), (1484, 9407), (1636, 8533), (2438, 5726), (2863, 4876)]