16971944

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 35550900

約数和(自身を除く): 18578956

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 121, 178, 197, 242, 356, 394, 484, 712, 788, 968, 979, 1576, 1958, 2167, 3916, 4334, 7832, 8668, 10769, 17336, 17533, 21538, 23837, 35066, 43076, 47674, 70132, 86152, 95348, 140264, 190696, 192863, 385726, 771452, 1542904, 2121493, 4242986, 8485972, 16971944]

約数ペア:

[(1, 16971944), (2, 8485972), (4, 4242986), (8, 2121493), (11, 1542904), (22, 771452), (44, 385726), (88, 192863), (89, 190696), (121, 140264), (178, 95348), (197, 86152), (242, 70132), (356, 47674), (394, 43076), (484, 35066), (712, 23837), (788, 21538), (968, 17533), (979, 17336), (1576, 10769), (1958, 8668), (2167, 7832), (3916, 4334)]